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Arianna measured a line to be 9.9 inches long. If the actual length of the line is 7.8 inches, then what was the percent error of the measurement, to the nearest tenth of a perc…

Arianna measured a line to be 9.9 inches long. If the actual length of the line is 7.8 inches, then what was the percent error of the measurement, to the nearest tenth of a perc…
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Arianna measured a line to be 9.9 inches long. If the actual length of the line is 7.8 inches, then what was the percent error of the measurement, to the nearest tenth of a percent?

User Beggarman
by
8.1k points

2 Answers

7 votes
Theoretical value:75
Observed value:100
User James Youngman
by
7.4k points
4 votes

Answer: 26.9%

Explanation:

9.9-7.8=2.1

(2.1/ 7.8) •100=26.9

User Mariel
by
7.8k points
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