Answer
398.1 parts per million
Work Step by Step
$y=369.4*(1.005)^t$
$2015-2000=15$
$t=15$
$y=369.4*(1.005)^t$
$y=369.4*(1.005)^15$
$y=369.4*1.07768$
$y=398.096$
$y=398.1$
Intermediate Algebra (6th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321785045
ISBN 13:
978-0-32178-504-6
Chapter 9 - Section 9.3 - Exponential Functions - Exercise Set - Page 559: 42a
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