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Brandon measured the length of a pencil to be 18cm. The actual length of the pencil is 21cm. What is the percent error for Brandon’s measurement? (Round to the nearest tenth).
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Brandon measured the length of a pencil to be 18cm. The actual length of the pencil is 21cm. What is the percent error for Brandon’s measurement? (Round to the nearest tenth).

User Martin Velez
by
8.2k points

2 Answers

4 votes

Answer:

14.2%

Explanation:

21-18 = 3

3/21 = 14.2

User Michel Gammelgaard
by
8.5k points
5 votes

Answer:

14.2% error

Explanation:

21-18 = 3

3/21 = 14.2

User Hasitha Amarathunga
by
8.3k points
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