SOLUTION: 9^(2 z)=102 Find z thanks

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Question 1000315: 9^(2 z)=102
Find z
thanks
Answer by ikleyn(52879) About Me  (Show Source):
You can put this solution on YOUR website!
.
9^(2 z)=102
Find z
-----------------------

9%5E%282z%29 = 102,        ----->

%283%5E2%29%5E%282z%29 = 102,   ----->

3%5E%284z%29 = 102,        ----->

4z = log%283%2C+%28102%29%29,

z = 1%2F4.log%283%2C+%28102%29%29.

Calculate it yourself using calculator.