Answer
About $4$ grams
Work Step by Step
Model: $ A=A_{0}e^{kt}$
$ t=0$ for the year $2010.$
Unknown: $ A $, when $ A_{0}=16, t=11430,k=-0.000121t $
$ A=A_{0}e^{kt}=16e^{-0.000121\cdot 11430}\approx 4.013$
Precalculus (6th Edition) Blitzer
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0-13446-914-3
ISBN 13:
978-0-13446-914-0
Chapter 3 - Section 3.5 - Exponential Growth and Decay; Modeling Data - Exercise Set - Page 505: 16
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