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9 December, 22:23

Roger has a nail that is 12 centimeters long he measures and records the length of the nail at 15 centimeters what is the percent of error in his measurement

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  1. 9 December, 22:28
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    20% because the 15-12=3 and then you cross multiply 3 and 100 and then you divide by 15. Which is 20.

    3. x

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    15 100
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