Intermediate Algebra for College Students (7th Edition)

Published by Pearson
ISBN 10: 0-13417-894-7
ISBN 13: 978-0-13417-894-3

Chapter 1 - Section 1.6 - Properties of Integral Exponents - Exercise Set - Page 80: 125


a) 1000 b) 16000 c) 125

Work Step by Step

To solve we substitute t for the value given a) t=0 since it's today $1200*2^0=1000$ b) t=4 population in 4 week $1200*2^4=16000$ c) t=-3 population 3 weeks ago $1200*2^{-3}=125$
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