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anonymous

  • one year ago

How do you perform a indicated operation and right the answer with the correct numbers of significant digits. The problem is 97.2m - 16.04m

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  1. jim_thompson5910
    • one year ago
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    Do you know the sig fig rule with addition and subtraction?

  2. anonymous
    • one year ago
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    Nope

  3. jim_thompson5910
    • one year ago
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    step 1) subtract the numbers like normal so you'd do 97.2 - 16.04 = 81.16 ------------------------------------------------------- step 2) round the result from step 1 based on the least number of decimals in the initial problem so we take 81.16 and round it to one decimal place (because 97.2 has 1 number after the decimal) 81.16 rounds to 81.2

  4. jim_thompson5910
    • one year ago
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    More sig fig rules and examples can be found here http://tournas.rice.edu/website/documents/SignificantFigureRules1.pdf the addition/subtraction rule is found on page 6

  5. anonymous
    • one year ago
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    Thanks

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