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ratelena [41]
2 years ago
5

Keiko estimated the height of her office building to be 45 ft. The actual height of her office building is 42 ft

Mathematics
1 answer:
sergij07 [2.7K]2 years ago
7 0

% error formula: | true value minus "your" (as in Keiko's) value | over true value, times 100.

so: 42 - 45 = 3 (it would be negative but we used absolute value, which is how it is supposed to be done. <u><em>3 is your absolute error</em></u>).

3/42 = 0.07143

0.07142 * 100 = <u><em>7.142%</em></u>. she was only 7.142% off from the right answer.

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