SOLUTION: log base 625 of exponent 5=??? A)4 B)8 c)1/4 D)1/8

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Question 974057: log base 625 of exponent 5=???
A)4
B)8
c)1/4
D)1/8

Found 2 solutions by larrypizzu , Alan3354:
Answer by larrypizzu (5) About Me  (Show Source):
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
log base 625 of exponent 5=???
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log base 625 of 5: No reason to mention exponent.
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625+=+5%5E4
5+=+625%5E0.25
log%28625%2C5%29+=+1%2F4
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Or, use the base change formula:
log%28625%2C5%29+=+log%285%29%2Flog%28625%29+=+1%2F4