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[DOC File]Rules for Using Significant Figures in Mathematical Operations
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10. ( Calculate the volume of the object with the data collected from each lab group. Record the answer in Table 7 below. Be sure to use the correct number of significant figures. 11. ( Explain how the number of significant figures was decided when recording the volume. Part 3 – Addition Problems with Significant Figures. 12.
addition and subtraction of sig figs rules

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Math with Significant Figures. Whenever you do math with significant figures, the answer can’t be more precise than the numbers it came from. There are two simple rules to make sure this doesn’t happen: Addition & Subtraction: Line the numbers up in a column.
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[DOC File]Significant Figures - SCH3U
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The starting values only have three significant figures each, so round the answer to three significant figures, 16.1. When adding and subtracting values, find the smallest decimal place that all values have in common and are significant and that is the last significant decimal place in your answer.
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[DOC File]1. Significant Figures
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Rules for Multiplication and Division (think number!) The number of significant figures should NOT be greater than the number of significant figures in the least precise factor: 6.2 cm x 3.44 cm = 21 cm2. Rules for Rounding: A. If the digit to be dropped is less than …
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[DOC File]Review forMrs - Twinsburg
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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 = 4) 53.4028 - 14 = 5) 39.3 - 0.804 = 6) 91.68 - 19.1 = 1) 7.6 x 21.9 = 2) 2.15 x 3.1 x 100 = 3) 5.00009 x 0.06 =
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[DOC File]SIGNIFICANT FIGURES AND CALCULATIONS
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Significant figures. Calculating significant figures rules: Addition/Subtraction. Multiplication/Division . Metric Conversions. Metric Timeline. L → mL, Kg → g, etc. Density (D = m/V) Mass. Volume. Atoms. Atoms. Atomic # = # of protons # of protons = # of electrons. mass # = protons + neutrons. The periodic table. Groups = columns. Periods ...
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[DOC File]Significant Figures
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If such a zero has been measured, or is the first estimated digit, it is significant. On the other hand, if the zero has not been measured or estimated but is just a placeholder, it is not significant.
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[DOC File]SIGNIFICANT FIGURES
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If there is no decimal point, start counting significant digits with the first non-zero digit on the right. Examples: (a) 140,000 has 2 significant digits. (b) 20060 has 4 significant digits.
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[DOC File]RULES FOR SIGNIFICANT FIGURES
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can be assumed to have an infinite number of significant figures. Rules for Significant Figures in Mathematical Operations. For multiplication or division, the number of significant figures in the result is the same as the number in the least precise measurement used in the calculation. Example: 4.56 x …
addition and subtraction of sig figs rules

Significant figures rules for addition