Percent Error Answers

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A student solved the problem and showed his work below. What was his error?(100) 6%

The planners did not use the absolute error in the ratio.

The planners compared the absolute error to the approximate value.

The planners did not multiply by 100 to get the percent.

The planners divided incorrectly and got the wrong answer.

b =

180

–20

–180

a =

Answers:

Selection 1:–20

Selection 2:20

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