SOLUTION: My son and I are trying to figure out how to evaluate the following problem. 2log(5)(1/25)

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Question 1050952: My son and I are trying to figure out how to evaluate the following problem.
2log(5)(1/25)

Found 2 solutions by stanbon, josmiceli:
Answer by stanbon(75887)   (Show Source): You can put this solution on YOUR website!
2log(5)(1/25)
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log5(1/25) = log5(5^-2) = -2
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You are multiplying that by 2
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So your answer is 2*-2 = -4
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Let me know if that does not make any sense.
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Cheers,
Stan H.
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Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

I can make an equation out of this


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This says that is a log ( exponent ), and
when is used as a base for this log, the
result is
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So, I can rewrite this as:




answer
---------------------
check answer:






OK ( used my calculator to check )


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