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A student calculates the mass of a piece of copper to be 8.3 grams. The actual mass of the copper is 10. grams. What is the percent error? Show your work below. Round your answer to two digits

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alinakincsem

Answer:

17%

Explanation:

Mass of a piece of copper calculated by student = 8.3 grams

Actual mass of copper = 10 grams

We know the formula for the percent error:

Percentage error = (| experimental value - actual value | / actual value) * 100

So substituting the given values in the above formula:

Percent error = (|8.3 - 10| / 10) * 100 = (1.7/10) * 100 = 17%

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