SOLUTION: Given logb5= -4 and logb7=2, find logb8575

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Question 610672: Given logb5= -4 and logb7=2, find logb8575
Answer by lwsshak3(11628) About Me  (Show Source):
You can put this solution on YOUR website!
Given logb5= -4 and logb7=2, find logb8575
logb8575
=logb(25*343)
=logb(5^2*7^3)
=2logb(5)+3logb(7)
=2*-4+3*2
=-8+6
logb8575=-2