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What is the value of log 9 81

What is the value of log 9 81
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What is the value of log 9 81

User Noach Magedman
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1 Answer

3 votes

The number
\log_9(81) means: which exponent we have to give to 9 in order to get 81?

Since
81=9^2, the answer is 2.

User El Danielo
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