Answer
a)1000
b)4000
c) 250
Work Step by Step
We use the value given for t
a) t=0 today $1200*2^0=1000$
b) t=2 population in 2 weeks $1200*2^2=4000$
c) t=-2 population 2 weeks ago $1200*2^0=250$
Intermediate Algebra for College Students (7th Edition)
by Blitzer, Robert F.
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: 126
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