SOLUTION: I must evaluate log3 81 (The 3 is below the log) Thank!

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Question 728531: I must evaluate log3 81
(The 3 is below the log)
Thank!
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Log to the base 3 which gives you 81
You need the log, which is the exponent
Raise the base to the unknown exponent
+3%5Ex+
This gives you +81+, so
+3%5Ex+=+81+
+3%5Ex+=+3%5E4+
+x+=+4+