College algebra #11

Question

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964

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+216

Solve the exponential equation for t. You may use either the common logarithm or the natural logarithm. (Round your answer to two decimal places.)

2 × 5^t = 22

t= ________?

idenny Apr 12, 2017

Melody · Answer 1 · 2017-04-12T01:42:18

2 × 5^t = 22

$2 × 5^t = 22\\ 5^t = 11\\ log5^t =log 11\\ t*log5 =log 11\\ t=\frac{log 11}{log5}\\$

(log(11))/(log(5)) = 1.489896102404978