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| Math Central | Quandaries & Queries |
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Question from Kara, a student: How do I write this in exponential form? log 1/8 = -3 |
Hi Kara,
Use that fact that the natural logarithm and exponential functions are inverses. That is for any number $x,$
\[\log(e^x) = x\]
and
\[e^{\log(x)} = x.\]
For your problem start by raising both sides of the equation to the power of $e.$
Penny
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