SOLUTION: log(10^2-1)-log9= log 11 how is this solved without calculator thx

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Question 897898: log(10^2-1)-log9= log 11
how is this solved without calculator

thx
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!



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log(99)-log9= log(99/9) = log(11)