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    Question

    The number of significant figures for 5.1250 and 0.06900

    respectively are____ 
    A 5 and 5 Correct Answer Incorrect Answer
    B 4 and 5 Correct Answer Incorrect Answer
    C 5 and 4 Correct Answer Incorrect Answer
    D 4 and 6 Correct Answer Incorrect Answer

    Solution

    For the number 5.1250, all digits including the trailing zero after the decimal are significant, so it has 5 significant figures. For the number 0.06900, leading zeros are not significant, but the digits 6, 9, 0, 0 count as significant because trailing zeros after a decimal point are significant, giving 4 significant figures.

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