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20 December, 09:00

What are the two rules for deciding the number of significant digits in the answer to a calculation?

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  1. 20 December, 09:39
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    (1) For multiplication and division, you determine the number of significant digits in each number in your problem. The significant digits of your answer is determined by the number with fewer digits. (2) For addition and subtraction, you determine the place value of each number in your problem. The significant digits of the answer is determined by the number that is least precise.
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