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February 1, 2015

February 1, 2015

Posted by **ddd** on Tuesday, December 20, 2011 at 6:26pm.

5^x=30

- math -
**Steve**, Tuesday, December 20, 2011 at 6:50pmlog 5^x = x * log 5

so,

x log 5 = log 30

x = log 30/log 5

Note that it does not matter what base you use.

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