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[PDF File]Addition or Subtraction with Significant Figures
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D. Rules for combined addition/subtraction and multiplication/division problems Use the order of mathematical operations to determine which order to apply the rules for addition/subtraction (determine the number of sig figs for that step) or the rules for multiplication/division. (23 + 7) ÷ 10.0 = 3 (this is what your calculator spits out) ...
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Sig Fig Calculator | Addition, Subtraction, Multiplication & Division
Addition and Subtraction with Significant Digits Name_____ Section_____ RULE: When adding or subtracting your answer can only show as many decimal places as the measurement having the fewest number of decimal places. Perform the following calculations and round according to the rule above. 1) 4.60 + 3 =
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[PDF File]SIGNIFICANT FIGURES, EXPONENTS, AND SCIENTIFIC …
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because they are exact numbers. Any such equality will not dictate the sig figs in your final answer. G. More examples: 1. 3340 x 1.2 = 4.0 x 103 The answer must have 2 sig dig cause of the 1.2 thus 4000 is incorrect because it only has 1 sig dig. 2. 88359 / 3 = 30000 The answer can only have 1 sig dig cause of the 3. 3.
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[PDF File]Significant Figure Rules
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2. Zero digits that occur between nonzero digits are significant. 202 contains three significant figures ⎫ In these examples, the zeros 450.5 contains four significant figures ⎬ are part of a measurement. 390.002 contains six significant figures ⎭ 3. Zeros at the beginning of a number (i.e., on the left-hand side) are considered to be placeholders and
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[PDF File]Significant Figures in Calculations Rules
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Example #2 - Round 3.78721 to three significant figures. Look at the fourth figure. It is 7, a number greater than 5, so you round the original number up to 3.79. Example #3 - Round 726.835 to five significant figures. Look at the sixth figure. It is a 5, so now you must look at the fifth figure also.
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[PDF File]Significant Figures - Metropolitan Community College
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Significant Figures in Calculations Rules ... Step 2) 5.98148148 = 6.0 (two sig. figs because 2.7 has two) The answer is 6.0 When doing addition or subtraction with measured values, the answer should have the same precision as the least precise measurement (value) used in the
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[PDF File]Addition and Subtraction with Significant Digits
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Rules for Significant Figures (sig figs, s.f.) A. Read from the left and start counting sig figs when you encounter the first non-zero digit ... First apply the rules for addition/subtraction (determine the number of sig figs for that step), then apply the rules for multiplication/division. E. …
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Significant Figures With Both Addition And Multiplication
There are three rules that are used to determine how many significant figures are in a number. There are also rules for determining how many digits should be included in numbers computed using addition/subtraction, multiplication/ division, or a combination of these operations. A. Rules for determining how many Sig Figs are in a number:
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[PDF File]Rules for Significant Figures (sig figs, s.f.)
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Addition or Subtraction with Significant Figures z When adding or subtracting decimals, the answer must have the ... Limit and round to the least number of sig figs in any of the values. 23.0 cm x 432 cm x 19 cm = 188,784 cm3 The answer is expressed as 190,000 cm3 since 19 cm has only two sig figs.
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[PDF File]Rules for Significant Figures (sig figs, s.f.)
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numbers 9, 5, and 32 are “exact”. Multiplication or subtraction by “exact” numbers does not affect the number of significant figures reported. The subtraction of (73 – 32) yields 41, which contains 2 significant figures. Remember, for addition or subtraction, report to the same number of
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Sig figs with addition and subtraction