Asked by denise


4x=log base 5 of 90

Answers

Answered by Reiny
4x = log<sub>5</sub> 90
or
5^(4x) = 90
take log of both sides
log (5^(4x) = log 90
4x log5 = log90
4x = log90/log5
x = (1/4)(log90/log5)
= appr .699
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