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25 May, 15:06

Evaluate the expression : common log of square root 9/25.

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  1. 25 May, 18:35
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    You want log √ (9/25). Recognizing that √9 = 3 and that √25 = 5, we get

    log 3/5, which by rules of logs comes out to log 3 - log 5.

    To four decimal places:

    log 3 - log 5 = 0.4771 - 0.6990, or - 0.2218.
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