Answer
$t = 15$
Work Step by Step
$3^{t-7} = 6561$
$3^{t-7} = 3^{8}$
$t - 7 = 8$
$t = 8 + 7$
$t = 15$
Intermediate Algebra: Connecting Concepts through Application
by Clark, Mark; Anfinson, Cynthia
Published by
Brooks Cole
ISBN 10:
0-53449-636-9
ISBN 13:
978-0-53449-636-4
Chapter 6 - Logarithmic Functions - 6.5 Solving Exponential Equations - 6.5 Exercises - Page 526: 14
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