Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 7 - Exponents and Exponential Functions - 7-4 More Multiplication Properties of Exponents - Lesson Check: 5

Answer

$1.6\times10^{11}$

Work Step by Step

We start with the given expression: $(4\times10^5)^2$ To raise a product to a power, we raise each factor to the power and multiply: $4^2\times(10^5)^2$ To raise a power to a power, we multiply the exponents. $16\times10^{10}$ We write the expression in scientific notation: $1.6\times10^{11}$
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