Answer
$1.6 \times 10^{11}$
Work Step by Step
We are given:
$(4\times10^5)^2$
$=4^2\times(10^5)^2$
$=4^2\times10^{10}$
$=16 \times 10^{10} $
$=1.6\times10\times10^{10}$
$=1.6 \times 10^{11}$
Algebra 1: Common Core (15th Edition)
by Charles, Randall I.
Published by
Prentice Hall
ISBN 10:
0133281140
ISBN 13:
978-0-13328-114-9
Chapter 7 - Exponents and Exponential Functions - 7-3 More Multiplication Properties of Exponents - Lesson Check - Page 436: 5
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