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29 September, 12:56

You estimate that there are 45 marbles in a jar. The actual amount is 64 marbles. Find the percent error. Round to the nearest tenth of a percent if necessary.

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  1. 29 September, 15:29
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    percent error ≈ 29. 7 %

    Step-by-step explanation:

    percentage error = absolute error / exact value * 100

    where

    absolute error = |approximate value - exact value|

    approximate value = 45

    exact value = 64

    absolute error = |45 - 64| = 19

    percentage error = absolute error / exact value * 100

    percentage error = 19/64 * 100

    percentage error = 1900/64

    percentage error = 29.6875 %

    To the nearest tenth

    percent error ≈ 29. 7 %
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