Answer
a) $25,600$ bacteria
b) $3$ hours
Work Step by Step
a)
$B(h) = 100(2^{h})$
$B(8) = 100(2^{8})$
$ = 100(256)$
$= 25,600$ bacteria
b)
$800 = 100(2^{h})$
$\frac{800}{100} = (2^{h})$
$8 = 2^{h}$
$2^{3} = 2^{h}$
$h = 3$ hours
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 5 - Exponential Functions - 5.2 Solving Equations Using Exponent Rules - 5.2 Exercises - Page 437: 39
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