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    Question

    If log 32 = 3.816, then the value of log 16

    is:
    A 2.928 Correct Answer Incorrect Answer
    B 1.900 Correct Answer Incorrect Answer
    C 3.0528 Correct Answer Incorrect Answer
    D 1.808 Correct Answer Incorrect Answer

    Solution

    Given: log 32 = 3.816 32 = 2⁵ → log 32 = 5 × log 2 So, log 2 = 3.816 ÷ 5 = 0.7632 16 = 2⁴ → log 16 = 4 × log 2 = 4 × 0.7632 = 3.0528

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