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14 January, 11:03

David measured the height of a window frame as 5.61 feet, but the actual height was 6 feet. What is the percentage of error in David's measurement?

0.39%

0.94%

6.50%

6.39%

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Answers (2)
  1. 14 January, 11:15
    0
    0.39% is David's measurement
  2. 14 January, 11:20
    0
    (approximate value - exact value) / exact value ... then multiply by 100

    (5.61 - 6) / 6 = - 0.39 (ignore the - sign) ... 0.39/6 = 0.065 * 100 = 6.50%
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