Question 185439
*[Tex \LARGE \left(\frac{1}{3}\right)^{-5}=243\Leftrightarrow -5=\log_{\frac{1}{3}}\left(243\right)]



Note: I used the property: *[Tex \LARGE b^y=x\Leftrightarrow y=\log_{b}\left(x\right)]