Erwin Harahap

do Now or Never

log 2 = 0,301 dan log 3 = 0,477, maka log 75 = …

Posted by Erwin on September 8, 2015

log75=log{3*25}

log3+log{5^2}

log3+2*log5

log3+2*log{\frac{10}{2}}

log3+2*(log10-log2)

0.477+2*(1-0.301)

1.8750

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