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17 November, 09:49

A scientist estimated that a mixture would need 3 milliliters of a chemical to balance. The actual amount needed was 7 milliliters. What was the percent error of the scientist's estimation?

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  1. 17 November, 12:04
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    The percent error of the scientist's estimation is 57.14%

    Step-by-step explanation:

    In this question, we are to calculate percentage error of estimation.

    We employ a mathematical approach as follows;

    Mathematically the percent error is defied with the equation below;

    The percentage error = (actual value - expected value) / expected value * 100%

    From the question,

    The actual value observed is 7 milliliters

    The estimated value is 3 milliliters.

    We now substitute these values in the equation given above to yield;

    (7-3) / 7 * 100% = 4/7 * 100% = 57.14%
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