solve for x

75=13^x

1 answer

take log of both sides
log 75 = log(13^x)
log 75 = x log 13
x = log75/log13 = appr 1.683

check:
13^1.683 = 74.949

(more accuracy attained when more accuracy is used in answer)
try x = 1.683264467 on your calculator

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