SOLUTION: 5 (10)^t = 91 t=?

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Question 1000118: 5 (10)^t = 91
t=?
Answer by ikleyn(52786) About Me  (Show Source):
You can put this solution on YOUR website!
.
5%2A%2810%29%5Et = 91,

10%5Et = 91%2F5,

t = log%2810%2C+%2891%2F5%29%29 =~ 1.26 (approximately).