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Praxis II General Science

Category - Major Ideas

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Charlie is calculating the average test scores for his class. The students are graded from 1-100, in whole numbers. If Charlie averages all the numbers, how many significant figures should his answer have?

Explanation

Answer: B - Because the inputs (individual test scores) each have only 2 significant figures, then the output has a maximum of 2 significant figures. Thus, the average should also be reported to the nearest whole number.

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Praxis II General Science

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