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For what value of $n$ are $\left(\dfrac{1}{9}\right)^{-3}$ and $9^n$ equal?

 Jan 26, 2021

Best Answer 

 #1
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$(1/9)^-3=729$

$9^n=729$
take log

$n=3$

 Jan 26, 2021
 #1
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+1
Best Answer

$(1/9)^-3=729$

$9^n=729$
take log

$n=3$

Guest Jan 26, 2021

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