How do you evaluate $log_5 25$ ?

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Answer 1 · 2016-08-12T08:51:03

$log_5 25 = 2$

Written in this form, the question being asked is..

"To what power must 5 be raised to give 25?"

Or, "How can 5 become 25 by raising to a power?"

We know that $5^2 = 25$ , so we can say

$log_5 25 = 2$

We can also change log form into index form:

$log_5 25 = x$ becomes $5^x = 25$

So $x = 2$

How do you evaluate log_5 25log_5 25?