SOLUTION: What is the value of log81 3? There is already an answer provided here: http://www.algebra.com/algebra/homework/logarithm/logarithm.faq.question.535764.html But I would like

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Question 959642: What is the value of log81 3?
There is already an answer provided here:
http://www.algebra.com/algebra/homework/logarithm/logarithm.faq.question.535764.html
But I would like the steps to be explained please so I can understand it, and not just get an answer. Thanks

Found 2 solutions by Fombitz, josmiceli:
Answer by Fombitz(32388)   (Show Source): You can put this solution on YOUR website!
Change of base formula,




Answer by josmiceli(19441)   (Show Source): You can put this solution on YOUR website!

This is asking:
" What is the exponent that I raise the base to
that will give me the answer
I can restate this as:
, where

----------------------
because

Raise both sides to the 4th power


Hope this helps
A good thing to remember is:
"Logs are exponents"

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