ILTS Science Physics (243) Practice Questions - ILTS Science Physics (243) Test Exam

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A measured value is reported as 4.50 cm. How many significant figures does this measurement contain, and what does the trailing zero communicate?

Three significant figures; the trailing zero indicates precision to the hundredths place Two significant figures; the trailing zero is not significant Four significant figures; both zeros are placeholders One significant figure; only the leading digit counts

Correct Answer:

Three significant figures; the trailing zero indicates precision to the hundredths place

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