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25 May, 16:41

Calculate to the correct number of significant figures: (24.6681 x 2.38) + 332.58

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  1. 25 May, 16:56
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    the rules are different for multiplication and addition,

    but the least precise value always restricts the answer.

    first do the multiplication (as per standard order of operations):

    24.6681 * 2.38 ≈ 58.7

    since 2.38 has the fewest significant figures,

    it is considered the lease precise value

    then do the addition:

    58.7 + 332.58 ≈ 391.3

    since 58.7 has fewest figures right of decimal

    it is considered least precise.

    so final answer: 391.3 with four significant figures.
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