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if 9 to the power of x = 27, what is x.

Method as well plz!



2 Answers

3 votes
You can use logarithms:

Log9(27) which will give you the value of x

X= 1.5
User Tim Fuchs
by
7.9k points
5 votes

9^x=27\\\\(3^2)^x=3^3\\\\3^(2\cdot x)=3^3\\\\3^(2x)=3^3\iff 2x=3\ \ \ /:2\Rightarrow x=1.5
User Justinxreese
by
7.7k points

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