Intermediate Algebra: Connecting Concepts through Application

Published by Brooks Cole
ISBN 10: 0-53449-636-9
ISBN 13: 978-0-53449-636-4

Chapter 5 - Exponential Functions - 5.2 Solving Equations Using Exponent Rules - 5.2 Exercises: 28

Answer

$t = -2$

Work Step by Step

$(\frac{1}{5})^{t} = 25$ $5^{-t} = 5^{2}$ $-t = 2$ $t = -2$ Check: $= (\frac{1}{5})^{-2}$ $= 5^{2}$ $= 25$
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