SOLUTION: how do I evaluate: Log1/5 125?

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Question 451338: how do I evaluate: Log1/5 125?
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
how do I evaluate: Log1/5 125?
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Log1/5 125?
Change to exponential form: Base( 1/5) raised to log(x) of number= number(125)
(1/5)^x=125
1/5^x=5^3
5^-x=5^3
-x=3
x=-3
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ans: The logarithm of 125, base 1/5 = -3