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[DOC File]SIGNIFICANT FIGURES
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How many sig figs do these numbers have? Type your answers in the boxes. Top of Form. 1) 100 . Bottom of Form. Top of Form. 2) 10. Bottom of Form. Top of Form. 3) 101 . Bottom of Form. Top of Form. 4) 101.0 . Bottom of Form. Top of Form. 5) 0.0000010000 . Bottom of Form. Top of Form. 6) 0.000100010 . Bottom of Form. Done? Ok, so you didn’t ...
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[DOC File]Significant Figures Practice
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If it has a finite number of sig figs, write how many sig figs it has on the line. Objective: Determine if a number has a finite or infinite number of sig figs. 1) My pen has a mass of 24.5 grams. _____ 6) There are 3 feet in one yard. _____ 2) There are 500 sheets of paper. _____ 7) My desk is 3 feet from the floor.
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[DOC File]Significant Figures Practice Worksheet
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Sig Figs. Rule for . Addition & Subtraction = Least number of . decimal places (highest value) Perform the following calculations and round according to the rule above. 1) 8.20 + 2 = 2) 13.59 + 23.25 + 20 = 3) 42.828 + 67.4629 =
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[DOCX File]Quiz review
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the correct number of sig figs) 1. Significant Figures – be able to indicate the correct sig figs in addition/subtraction and multiplication/division (and how many sig figs are in individual numbers) 2. Dimensional analysis. must show set-up for all the points!! a.Conversions within the metric system ex: 100 Mm = ? cm (equivalencies will not ...
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[DOCX File]lhsblogs.typepad.com
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Example: 100.0 has 4 sig figs 100 only has 1 sig fig. _____ in the beginning of a number that only serve as a placeholder are NOT significant. Ex. 0.0025 only has 2 sig figs _____ following a decimal significant figure are significant. Ex. 0.00470 has 3 sig figs (Use the rules if you would like, but I like the Atlantic-Pacific Method better ...
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[DOC File]Significant Figures Review
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perform calculations to the maximum number of sig figs allowed by your calculator. Since the number with the least number of decimal places is the least precise, we would expect to round to this spot. For Example: 12 .56 cm The second value is only precise +125 .8 cm to the 1st decimal place, so the. 138 .36 cm final answer is rounded to one
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[DOCX File]Quiz review
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(with the correct number of sig figs) 1. Significant Figures – be able to indicate the correct sig figs in addition/subtraction and multiplication/division (and how many sig figs are in individual numbers) 2. Dimensional analysis. must show set-up for all the points!! a.Conversions within the metric system ex: 100 …
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[DOC File]Stoichiometry Worksheet #1
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Use units and sig figs on your final answer. Please note that you will find the answers at the bottom of this page. Equation for questions 1-4: 4Al + 3O2 ( 2Al2O3. How many grams of aluminum oxide would form if 12.5 moles of aluminum burned?
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[DOC File]Guided notes on Accuracy, Precision, and significant ...
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More examples: 12.50 = _____ sig figs; 0.0050 = ____ sig figs; 0.0003 = ____ sig figs The first step is always to ask yourself: Is the decimal point present or absent?
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[DOC File]Lab 1-2 Sig Fig
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125 has 3 sig figs. 0.00. 2 has 1 sig fig - ending . zeros without a decimal are NOT significant. 400. has 1 sig fig. 2500. has 2 sig figs When multiplying. Use the number of Sig Figs from the least accurate measure. 2.54 cm. x 3.1 cm 7.9 cm2 When adding . Line up the decimal points. Use the least number of decimal places. 2.54 cm + 4.3 cm. 6.8 ...
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How many sig figs in 100