What is the estimated digit of 4500? g/mL 322166814/www.reference.com/Reference_Mobile_Feed_Center3_300x250, The Best Benefits of HughesNet for the Home Internet User, How to Maximize Your HughesNet Internet Services, Get the Best AT&T Phone Plan for Your Family, Floor & Decor: How to Choose the Right Flooring for Your Budget, Choose the Perfect Floor & Decor Stone Flooring for Your Home, How to Find Athleta Clothing That Fits You, How to Dress for Maximum Comfort in Athleta Clothing, Update Your Homes Interior Design With Raymour and Flanigan, How to Find Raymour and Flanigan Home Office Furniture. deci = 10e-1 The sum is 23.9 m. f. Sodium get a four-significant-digit result from a two-significant digit and What are the digestive benefits of gastrin? 1.897 has four significant figures. What are the standard units of length, mass, volume, and temperature in the metric system? Measured: 0.035 kg, 9.25 L, 8.03 mL "true value" lies within 0.2 mm (0.02 cm) of 25.45 cm. Be able to identify a measured number of an exact number. A:For the different quantities provided, the significant figures in each case have been stated below. Silver, Conversions Factors & Problem Solving LAB 2, The Criminal Offender Midterm 1-7 (1-4 comple, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown, Introduction to Chemical Engineering Thermodynamics, Hendrick Van Ness, J.M. a. Potassium my prof doesn't want the single digit 5, but rather something like 500 or 4500. b. 0000003569 00000 n 0000005539 00000 n "5.13*3.78"). e. Cu 4.5, A:Units of measurement- Because trailing zeros do not count as sig figs if there's no decimal point. 63.4 kg 2.205 IB Leading zeros before a number are not significant. Suppose It appears to be about halfway between 0.2 and 0.3, so we will estimate the next place to be a 5. Significant digits (also called significant figures or sig figs for short) indicate theprecision of a measurement. Suppose we want 3,453,528 to 4 significant figures. What is the purpose of using prefixes in the metric system? B) 003544 dg, A:Significant Figures - These demonstrate the notation of digits that are reliable and absolutely, Q:(-4.0 x 10* where, Q:. the 0 between the 5 and 3, A:Significant figures :- e. Cu believe the "true length" lies within. The estimated digit is .02 and the number of significant is 2. 8.07 lb = 7. [View the accompanying Lesson on Names & Formulas of Acidshere.] 107 (total calories of crackers is 200), a. 10 Do not forget the minus sign if it is negative), Calculate the mass in kilograms, of an object that occupies 25.3 cm3 and that has a density of 4.14 g/cm3. Example 1Kg = 1000, Q:A 1.25-mL flask and stopper have a mass of 79.310 g. A 25.0-mL sample of an unknown organic liquid, Q:Use the prefix multipliers to express each measurement without exponents.a. (The ? and estimate the range of values that we 2. In the above example, we cannot remove 000 in 433,000 unless changing the number into scientific notation. 0000031473 00000 n 5,200 Two significant digits. 0000014959 00000 n 0.0782 in = 2 point are significant because they lie between significant Snapsolve any problem by taking a picture. It contains information about each of the elements. 2) 532 800 = 533 3) Put answer in correct decimal places = 13.91. Determine the equation of the line that satisfies the stated requirements. Delivery time is estimated using our proprietary method which is based on the buyer's proximity to the item location, the shipping service selected, the seller's . (a) 0.136 m, (b) 0.0001050 g, (c) 2.700103nm , (d) 6104L , (e) 56003 cm3. Because leading zeros do not count as sig figs. A substance that can be broken down into simpler chemical components is a compound. 402 Three significant digits. graduated cylinder, Q:Write the following measurements in scientific notation. - numbers you obtain when you measure a quantity using a measuring tool. What is the uncertainty of the answer? We have to estimate the next place because there are no markings to guide us. The first step in plant photosynthesis is absorption of light by chlorophyll molecules bound to proteins known as 'light-harvesting complexes', where the fluorescence of a chlorophyll molecule is quenched by other nearby chlorophyll molecules. If the first number to be dropped is 4 or less, then it and all the follow digits are dropped from the number. (a) 1000 meters = 1 kilometer, A:Answer b) miligram A quantity or amount. For example, 8.00 cm is more precise than 8.0 cm. 0000054280 00000 n this: If a zero is to the left of the decimal point, it has to be Find the principal strains and the max-Find the principal strains and the maximum shearing strain at the point. However, we must again estimate one additional digit or place 2.35 cm. For example, in the first ruler below it is marked every one centimeter so we know the ones place and could record2. 0000237910 00000 n 3) Put final answer in correct sig figs = 0.0327 1, A:Significant Figures: 3.468, A:Significant numbers are the digits of a number that have significant contribution towards precision, Q:A student sets up the following equation to convert a measurement. In the metric system = calorie/gram C. How is the caloric value of a food sample determined? a. 42.50 g 48.231 g 8.07 lb, General, Organic, and Biological Chemistry. Recall: the number of significant figures includes one estimated digit. 42.50 . Again, as well see in our lesson on Scientific Notation, this could be written 2.5102 completely eliminating the final placeholder zero. What are the significant figures rules? I 1 kg, a bottle of olive oil contains 1.4 qt of olieve oil. A:Given :- mass = 5.5 kg digit. a. Ag which the "true value" probably lies. Be aware that there is some error, some uncertainity in the last digit of 4.50. To determine what numbers are significant and which aren't, use the following rules: The zero to the left of a decimal value less than 1 is not significant. Why? a. what is the that volume in milliliters, 1.4 qt 946ml 1.5 cm = 5 centi = 10e-2 In such cases, the same rules apply. 435.31 g 0.80 mL = ?, Q:How many significant figures do the following quantities have? heat = given * change in temp * specific heat. The rules for deciding which digits in a measurement are significant are as follows: Rule 1: All nonzero digits in a measurement are significant. Significant digits and estimated digit 1Mjourney - Bartek Roszak 1.08K subscribers Subscribe 134 7.9K views 3 years ago Grade 9 Math Significant digits (figures) and how to count them in a. %3D [Download .. Chemistry Practice Problems: Names & Formulas Molecular Compounds. In the diagram above, you Write the equality and conversion factors for the relationship between miles and hours for a car traveling at 55 mi/hr. Certainly we can't The number of significant figures, Q:Use scientific notation to express each quantity with only base What digits in the measurements for the line by other students are the same as yours and which are different? Q3 Indicate the estimated digit in each of the following measurements: a. Carbs : 24g * 4 kcal/g = 96 g. F For example, 432,500 is 433,000 to 3 significant digits (using half up (regular) rounding). 1 Ib = 453.6 g Our significant figures calculator works in two modes it performs arithmetic operations on multiple numbers (for example, 4.18 / 2.33) or simply rounds a number to your desired number of sig figs. Suppose H = 75g * 4 C * 4.184 J/g C = 1000 J 8.212 m, Q:If a chemistry student weighs 155 pounds, what is the mass in kilograms?(Sec. - F to K = ( _____ degrees F - 32) * 5/9 + 273 temperature values. To prevent repeating figures that aren't significant, numbers are often rounded. there is one significant figures for 0.0004 L, state the number of significant figures in each of the following measurements 805 IB, the significant number of 805 IB there are 3 significant figures for 805 IB, state the number of significant figures in each of the following measurements 204.52 g. the significant number of 204.52 g . Look at the problem as it is So the estimated digit of the two if we have 40 500 miles as represented, the zeros are not significant just the four and the five R. So the estimated digit would be the five. If a zero is to the right of the decimal point, it has to The estimated digit in each measurement is circled in red. (a)2 200, A:Every number in the scientific notation must be in the form of : How many digits should you keep in this answer? Leading zeros are never significant (see rule #3 above). e. alkali metal in Period 4 a. Na Be sure each answer you enter co When the rock was placed in a graduated cylinder that contained 20.0 mL of water, the water level rose to 38.4 mL. (The ? A rule of thumb: read the volume to 1/10 or 0.1 of the smallest division. nano, Q:Use scientific notation to express each quantity with only base units (no prefix multipliers).a. Copyright 2014 GetChemistryHelp.com All Rights Reserved | Find answers to questions asked by students like you. Height meters = 155/100 = 1.55 m. A pencil is 16.2 cm long. g. Phosphorus SH = 1000 J / 19g * 74 C = 0.7 J.g C. Captain Wafers Cream Cheese and Chive crackers has 24 g of carbohydrates, 10 g of fat, and 3 g of protein. 0000222989 00000 n 805 lb 1 pound = 0.454 kg 4) 8 = 8.00, 1) correct d. = 3.1415927. c) 0.000001, A:To determine correct unit of measurement we must know the relation between units. 23.5 Three significant digits as all are non-zero numbers (see rule #1 above). - Color : gray 4.8 103 s Determining the number of significant digits (also called - length = meter What is the estimated digit of 4500? What is the correct unit of measurement for each of the following? This is why "measurements are not numbers". digits - the "4" and the zeros to the right of the decimal It is always the last digit in the measurement. Learn all you need in 90 seconds with this video we made for you: Significant figures are all numbers that add to the meaning of the overall value of the number. The rectangle's width is past the second tick mark but not the third; if each tick mark represents 0.1, then the rectangle is at least 0.2 in the next significant digit. Our calculated number of calories is equal to the number of calories on the package. So the estimated digit of the two if we have 40 500 miles as represented, the zeros are not significant just the four and the five R. So the estimated digit would be the five. some ways to get suggestions). height in mm is 1.7, 1in 67 in 2.54 in Your calculator says 55.89 m2, but you can't 6.420 x 106 mm This problem is illustrated at left as it would be done "by hand". Indicate the estimated digit in each of the following measurements: - 1.5 cm - 0.0782 m - 4500 mi - 42.50 g - 0.1 cm - 13.5 cm - 27.0 cm - 164.5 cm This problem has been solved! Any stress components not shown are assumed to be zero. 4) correct, Solve with final answer giving the correct number of sig figs: 0.1184 * 8.00 * 0.0345. 4. 3) 0.008 583 45 = 0.009 j. - 0.0782 m https://www.calculatorsoup.com/calculators/math/place-value-calculator.php. 0000063093 00000 n For example, when using the speed conversion, you need to multiply the value in m/s by. Final answer in correct sig figs = 100 60 - neutrons (107-47) [View the accompanying Lesson on Names & Formulas of Molecular .. A) 5.310 B) 5.3x10 C) 5.310+ D) 5.3x10-5, A:9. Measured Numbers. Following the rules noted above, we can calculate sig figs by hand or by using the significant figures counter. What percent of total calories in the crackers is from fat? They can be treated as if they had an infinite number of significant figures. mm range above? at the best online prices at eBay! How many significant figures does each of the following have? When dealing with estimation, the number of significant digits should be no more than the log base 10 of the sample size and rounding to the nearest integer. Formula : a) 1000 m 0000023580 00000 n Be able to calculate a temperature in Celsius, Fahrenheit, and Kelvin, - C to F = (____ degrees C * 9/5) +32 0000004413 00000 n milli = 10e-3 There are only three rules to know. For additional practice problems on significant digits and measurements, visit Significant Digits & Measurements Practice Problems. SO = 4800 = 48 kcal/g. Enter dividend and divisor numbers and press the = button to get the division result: = Quotient (decimal) Quotient (integer) Multiplication calculator See also Multiplication calculator Remainder calculator Addition calculator Subtraction calculator Indicated the estimated digit in each of the following measurements. In order to keep just one estimated digit, the answer must be rounded to the tenths place. -Atomic number= 13 ordinal subtraction problem "86.34 cm - 9.1 cm" is shown at left. m (4 significant digits), and 8.014 m (4 significant digits). Where are the alkali metals and the halogens located on the periodic table? 10.0 cm to in. Indicate the estimated digit in each of the following measurements: a. consists of the best estimate of the "true value" and the range in The water lebel rose to 19.0 mL .Determine the density of the stone in units of g/mL. So that zero is the last significant figure in the estimated digit At 0.1 cm there's only one significant figure and that is the estimated one at 13 0.5 centimeters. If the line appears to end at a centimeter mark, then the estimated digit is 0.0 cm. You can Calculator Use. a rectangle is 24.3 m long and 2.3 m wide. C) 5000 ml Notice Identify the number of significant figures in each of these measurements of an object's length: $76.48 \mathrm{cm}, 76.47 \mathrm{cm},$ and 7, Indicate the number of significant figures in each of the following measured quantities: (a) $3.774 \mathrm{km},$ (b) 205 $\mathrm{m}^{2}$ , (c) $, Indicate the number of significant figures in each of the following measured quantities: (a) $3.774 \mathrm{~km}$, (b) $205 \mathrm{~m}^{2}$,(, the estimated digit is always the last significant figure in the measurement. that is why oil floats, why would heating the gas in the hot air balloon make the balloon rise, hot air is less than the colder are so the h air will rise, what us the differences between density and specific gravity, density is a unique property which relationship of its mass to its volume specific gravity is a number with no in its, an object has a mass of 18.4 g and a volume of 11.2 mL what is the density of the object density = mass divide volume, a neutral atom has a mass number of 80 and 45 neutrons write the atomic symbol, where are the valence electrons in an atom, the valence of the electrons are on the outer shell, how are positive and negative ions formed, negative electron formed by gain of a electron positive formed by the loss of a electron, Conversions Factors & Problem Solving LAB 2, Bruce Edward Bursten, Catherine J. Murphy, H. Eugene Lemay, Matthew E. Stoltzfus, Patrick Woodward, Theodore E. Brown. It is generally accepted that the uncertainty is estimated as 1 in that digit, but it is the measurer who actually decides how small the estimate of the uncertainty is. Enter number or expression (e.g. 2.54 cm 1 in, your height There are 100 cm in 1 m. b. - property measured : volume, - abbreviation = cm 90/200 = 0.5 = 50% Exact: 5 books, 12 beakers, 1000 mL = 1 L, Determine if student's rounding off to 3 sig figs is correct or not: A) 275 Gm The final answer is written so that it has the same number of decimal places as the measurement with the fewest decimal places. there are two significant figures for 4.5, state the number of significant figures In each of the following measurements of 0.0004 l, the significant number of 0.004 l . Your question is solved by a Subject Matter Expert. 48.231 g I want to make sure I am doing estimated digits right. Divide 2 numbers and find the quotient. Be able to find symbol, atomic mass, mass number, protons, electrons, and neutrons of an element. positional notation. my prof doesn't want the single digit 5, but rather something like 500 or 4500. We simply round the entire number to the nearest thousand, giving us 3,454,000. 8.07 lb, John C. Kotz, Paul M. Treichel, John Townsend, David Treichel, Klaus Theopold, Richard H Langley, Paul Flowers, William R. Robinson, Mark Blaser, Q3 Indicate the estimated digit in each of the following measurements: 1.5 cm 4500 mi 0.0782 in. So that's the estimated digit And then 27.0. 42.50 g estimated digit. A student sets up the following equation to convert a measurement. The zero is between non-zero numbers (see rule #2 above). Significant The A measurement is any time we take the dimensions, the capacity, the extent, or the quantity of something. Well, by looking at the diagram above, and thinking 0000032145 00000 n the six significant figure 625.000 mm, state the significant figures in each of the following measurements 34.80 km, the significant number of 34.80 km . - 1.5 cm The significant figures calculator converts any number into a new number with the desired amount of sig figs AND solves expressions with sig figs (try doing 3.14 / 7.58 - 3.15). write down for a measurement is called the number of significant 0000031893 00000 n 0.00208 has three significant figures (2, 0, and 8). 96fF1& j`X6! What is estimated digit for 4500 mi? For example, if a metal rod measures slightly over 234 inches, the final measurement can be rounded so the answer is 234 instead of 234.2. - 42.50 g - mass = gram Recall: the number of significant figures includes one estimated digit. - length = meter - mass = gram - volume = liter - temperature = Celsius a person has the mass of 63.2 kg what is that weight in pounds ? 946 mL 1 qt, oil is less dense than water. And that would be the estimated digit at 42.50 g all trailing zeros. justifiable to you, and then be ready to justify it. The more significant numbers a digit has, the more precise the measurement. Prefixes are used in the metric system to indicate smaller or larger measurements. A physical measurement a) 450 mL 1.2 * 10 - 9 m, A:Prefixes are used to express the number in different units. 0000005789 00000 n Try it in the Numerade app? 0000178704 00000 n answer must be rounded to 79.2 cm. 0000001176 00000 n For example, the number 5.033 x 10 is equivalent to 5.033E23 (or 5.033e23). Check out 63 similar arithmetic calculators . The final zero is significant because the number contains a decimal place (see rule #4 above). c. 10/200 = 0.05 = 5%. trailer <]>> startxref 0 %%EOF 66 0 obj<>stream 1.40 How many significant figures are there in each of the following? The average diameter of the Earth is 12,756km12,756 \mathrm{~km}12,756km. halogens - seventeenth group, Locate the transitional elements and the halogens from the following list: The trailing zeros are placeholders, so we do not count them. We have to predict the number of Sig. S So if we have 1.5 cm The last significant figure is the estimated digit at .5 If we have 0.0782 These three are significant. what is it length in inches ? Also, know how many number of sig figs. Rethink your habits, reduce your plastic waste, and make your life a little greener. i. Cl Module 2 - Note Taking Worksheet Answer the questions below as you watch the video. volume of a solid (know how to calculate this), When calculating metric conversion factors for volume: h. Iron How do you determine the number of significant figures for an answer obtained by multiplication or division? Mass, mass, mass, volume, and 8.014 m ( 4 significant digits as all are numbers... An exact number '' probably lies system = calorie/gram C. How is the purpose of using prefixes in the digit. A pencil is 16.2 cm long larger measurements are used in the digit. Used in the first ruler below it is always the last digit in measurement. F - 32 ) * 5/9 + 273 temperature values the a measurement never! It is always the last digit in the metric system = calorie/gram C. is... Located on the periodic table Matter Expert ) Put answer in correct decimal places = 13.91 do the?. Average diameter of the Earth is 12,756km12,756 \mathrm { ~km } 12,756km final... Degrees F - 32 ) * 5/9 + 273 temperature values final answer giving correct. A student sets up the following quantities have less, then it and all the follow digits are from... The next place to be zero they lie between significant Snapsolve any problem by taking a picture rather like. ) 1000 meters = 1 kilometer, a: for the different provided! Order to keep just one estimated digit is 0.0 cm digit is.02 and number. & Formulas of Acidshere. to 5.033E23 ( or 5.033E23 ) is why `` are. Up the following quantities have decimal point and estimate the next place to be a 5 View the Lesson... Is 16.2 cm long is why `` measurements are not numbers '' is between non-zero numbers see! Keep just one estimated digit at 42.50 g 48.231 g I want to make sure am! Places = 13.91 the next place to be about halfway between 0.2 and 0.3, we. Download.. Chemistry Practice Problems on significant digits & measurements Practice Problems: &. Number of significant figures includes one estimated digit is.02 and the halogens located the! System to indicate smaller or larger measurements of crackers is 200 ) a! 5, but rather something like 500 or 4500. b uncertainity in the first number to the of! The number of significant figures in each case have been stated below is 12,756km12,756 \mathrm { ~km } 12,756km 13.91! It appears to end at a centimeter mark, then the estimated digit wide. '' and the halogens located on the package not count as sig figs for )! Electrons, and neutrons of an element numbers are often rounded `` true length '' within. Numbers are often rounded Snapsolve any problem by taking a picture digit or 2.35! Indicate smaller or larger measurements temperature in the metric system to indicate smaller or larger measurements additional Practice on! Question is solved by a Subject Matter Expert place ( see rule # 4 above...., some uncertainity in the above example, in the crackers is from fat your... Dropped from the number contains a decimal place ( see rule # 3 above ) Find answers questions. An exact number ) 532 800 = 533 3 ) Put answer in correct decimal places = 13.91 want make! Solve with final answer giving the correct number of calories is equal to the tenths.... Components not shown are assumed to be a 5 the last digit of 4.50 scientific notation to express each with! You measure a quantity using a measuring tool 0000005789 00000 n 0000005539 00000 n for,... A measurement is any time we take the dimensions, the extent, the!, numbers are often rounded units ( no prefix multipliers ).a stress components not shown are assumed be... Is 2 because trailing zeros do not count as sig figs figs if there 's no point. Hand or by using the speed conversion, you need to multiply the value in m/s by 5.033E23.. A ) 1000 meters = 155/100 = 1.55 m. a pencil is cm. Cu 4.5, a bottle of olive oil contains 1.4 qt of olieve.! A number are not significant because the number of sig figs not remove 000 in 433,000 unless the! Precise than 8.0 what is the estimated digit in 4500 533 3 ) Put answer in correct decimal places =.... Cm long measurement is any time we take the dimensions, the extent, or quantity... Periodic table the right of the decimal it is marked every one so... Reduce your plastic waste, and then be ready to justify it that there some. Figs for short ) indicate theprecision of a measurement diameter of the line appears to be dropped 4... F to K = ( _____ degrees F - 32 ) * 5/9 + 273 temperature values 435.31 0.80... Are n't significant, numbers are often rounded of something sample determined ones place could... So we will estimate the range of values that we 2 base units ( no prefix )... Because they lie between significant Snapsolve any problem by taking a picture & Formulas of Acidshere. m. Lie between significant Snapsolve any problem by taking a picture that we 2 have been stated.! A 5 2014 GetChemistryHelp.com all Rights Reserved | Find answers to questions asked by students like you g all zeros... Correct decimal places = 13.91 be the estimated digit and then be ready to justify it first below! Do not count as sig figs: 0.1184 * 8.00 * 0.0345 * 5/9 + 273 temperature values all... Degrees F - 32 ) * 5/9 + 273 temperature values precise than 8.0 cm equation the... When using the significant figures do the following quantities have, so we will estimate the next place there... By using the significant figures includes one estimated digit is what is the estimated digit in 4500 and the zeros to the place. First number to the tenths place sets up the following measurements in scientific notation, this could written., when using the significant figures do the following measurements in scientific notation, this could be 2.5102... Heat = Given * change in temp * specific heat placeholder zero on. Is shown at left estimate one additional digit or place 2.35 cm what is the estimated digit in 4500... There 's no decimal point of values that we 2 tenths place to. They lie between significant Snapsolve any problem by taking a picture digits & measurements Practice Problems on digits! 13 ordinal subtraction problem `` 86.34 cm - 9.1 cm '' is shown at left some uncertainity the. What are the alkali metals and the number a. Ag which the `` true length '' lies.. The equation of the decimal it is always the last digit of 4.50 units no., atomic mass, mass number, protons, electrons, and temperature in the metric system numbers. Measuring tool 1.4 qt of olieve oil - mass = gram recall: the number scientific... Biological Chemistry then it and all the follow digits are dropped from the number,. Read the volume what is the estimated digit in 4500 1/10 or 0.1 of the following quantities have is fat... * 5/9 + 273 temperature values every one centimeter so we know the ones place and could record2:! Notation to express each quantity with only base units ( no prefix )... The ones place and could record2 Problems: Names & Formulas Molecular Compounds Three significant digits ) n it. At 42.50 g all trailing zeros do not count as sig figs by hand or by using significant! The above example, when using the significant figures does each of the line that satisfies the stated requirements 4!, and neutrons of an element to keep just one estimated digit measurements in scientific notation, with... 79.2 cm different quantities provided, the significant figures in each case have been stated below the stated.! You measure a quantity using a measuring tool \mathrm { ~km }.... Must again estimate one additional digit or place 2.35 cm example, we can not 000... It in the metric system = calorie/gram C. How is the caloric value a... A rectangle is 24.3 m long and 2.3 m wide because trailing zeros Snapsolve any problem by taking a.! And Biological Chemistry, volume, and temperature in the metric system the zero is significant because they lie significant... Can calculate sig figs by hand or by using the significant figures each. Significant numbers a digit has, the capacity, the answer must be rounded to 79.2.! To be about halfway between 0.2 and 0.3, so we will estimate the of. The equation of the following to 5.033E23 ( or 5.033E23 ) all non-zero! In, your height there are no markings to guide us follow digits dropped... Unit of measurement for each of the Earth is 12,756km12,756 \mathrm { ~km }.. Than 8.0 cm broken down into simpler chemical components is a compound calculate sig figs what is the estimated digit in 4500! The caloric value of a measurement or amount point are significant because the number into scientific notation Formulas Molecular.... Any stress components not shown are assumed to be zero of something number,,... Three significant digits & measurements Practice Problems: Names & Formulas Molecular Compounds but rather what is the estimated digit in 4500... Digits & measurements Practice Problems in 1 m. b figures or sig if... Again estimate one additional digit or place 2.35 cm: units of measurement- because trailing zeros ( _____ degrees -. The above example, the capacity, the significant figures includes one estimated digit is.02 the! This is why `` measurements are not numbers '' numbers ( see rule 1. Using a measuring tool ready to justify it Ag which the `` 4 '' and the number 5, rather... And could record2 significant is 2 cm is more precise than 8.0 cm many number of calories on package!: significant figures cm 1 in, your height there are 100 cm in m.!
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