Answers

2014-07-19T10:13:46+05:30
We knw that loga/b=loga-logb so we can write log128/625=log128-log625
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2014-07-19T16:06:26+05:30

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log  \frac{128}{625}          [.·. log  \frac{a}{b} = log a-log b]

⇒log 128 - log 625
⇒2.107 - 2.795
⇒ -0.688 (It's the Answer)

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