Intermediate Algebra: Connecting Concepts through Application

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: 72

Answer

$w \approx 2.969$

Work Step by Step

$4w^{7} - 8400 = -260$ $4w^{7} = -260 + 8400$ $4w^{7} = 8140$ $w^{7} = 2035$ $w = 2035^{\frac{1}{7}}$ $w = 2.969286...$ $w \approx 2.969$
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