Question

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%

Answer 1

0.39% is David's measurement

Answer 2

(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%