A student measures a piece of rope and found that it was ...
A student measures a piece of rope and found that it was 1.26m long. If the actual length of the rope was 1.25m, what was the percentage error in the measurement?
0.25%
0.01%
0.80%
0.40%
Correct answer is C
Actual length of rope = 1.25m
Measured length of rope = 1.26m
error = (1.26 - 1.25)m - 0.01m
Percentage error = erroractual length x 100%
= 0.011.25 x 100%
= 0.8%
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