SOLUTION: log3 81=

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Question 186125: log3 81=
Answer by Alan3354(69443)   (Show Source): You can put this solution on YOUR website!
log3 81=
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since 3^4 = 81,

If you don't know that 3^4 = 81 (some don't), then
= log(81)/log(3), or
= ln(81)/ln(3)

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