SOLUTION: Evaluate log 0.2 base of 25.

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Question 960918: Evaluate log 0.2 base of 25.
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
Evaluate log 0.2 base of 25.
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log25(0.2) = log(0.2)/log(25) = -0.5
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Why??
log(0.2) = log(5^-1)
Log(25) = log(5^2)
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Therefore:: log25(0.2) = -log(5)/2log(5) = -1/2 = -0.5
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Cheere,
Stan H.
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