Jessica measured the amount of precipitation that fell during a week. She determined that 13 centimeters of rain fell. Actually, though, 12 centimeters of rain fell during that week. To the nearest tenth of a percent, what is the percent error of Jessica's measurement?

8.3%

Step-by-step explanation:

The formula for Percentage error is given as:

|Measured value - True value|/True value × 100

The measured value = 13cm

The true value = 12cm

Hence:

Percentage error = |13 cm - 12cm|/12 cm × 100

= 1/12 × 100

= 8.3%

The percent error of Jessica's measurement is 8.3%

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Step-by-step explanation: