SOLUTION: Express log(9) 20 as a quotient of natural logs

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Question 224136: Express log(9) 20 as a quotient of natural logs
Answer by nerdybill(7384) About Me  (Show Source):
You can put this solution on YOUR website!
log(9) 20
Applying the "change of base" log rule:
= ln(20)/ln(9)
.
For additional info, see:
http://www.purplemath.com/modules/logrules4.htm