Question

Alex measures a line to be 3.09 ft long. If the actual measurement is 3 ft, find Alex's relative error to the nearest thousandth.

Answer 1

The relative error is 2.913

Explanation:

First, find Absolute Error:

3.09-3=.09

Next to find relative error use the formula :

absolute error/true value*100

.09/3.09=0.02912621359

0.02912621359*100=2.912621359

round to nearest thousandth= 2.913