`log_3 (81^-3)` Find the exact value of logarithmic expression without using a calculator. (If this is not possible, then state the reason.)

balajia | Student

`log_3(81)^(-3) = (-3)log_3(81)`

`=(-3)log_3(3)^4`

`=(-3)(4)log_3(3)`

`=-12`

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