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19 June, 04:33

Clara estimates that the length Of a hiking trail is 5.75 kilometers. She later learnsthat its Actual length is 6.25 km. What is the percent error in Clara's estimate, to the nearest tenth of a percent?

A. 7.7%

B. 8.0%

C. 11.0%

D. 11.5%

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Answers (1)
  1. 19 June, 07:41
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    When you calculate results that are aiming for known values, the percent error formula is useful tool for determining the precision of your calculations. The formula is given by: The experimental value is your calculated value, and the theoretical value is your known value.

    % error = | (experimental - theoretical) / theoretical| * 100

    % error = | (5.75 - 6.25) / 6.25| * 100

    % error = 8.0 %
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