Question 589185: How do I solve
5^x=1/125?
Answer by Alan3354(69443)   (Show Source):
You can put this solution on YOUR website! How do I solve
5^x=1/125?
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If you recognize that 125 = 5^3, then 5^(-3) = 1/125
--> x = -3
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If not,
x*log(5) = log(1/125)
x = log(1/125)/log(5)
x = -3
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If it's a random number, eg, 5^x = 1/126 then you have to use the 2nd method.
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