Elementary and Intermediate Algebra: Concepts & Applications (6th Edition)

Published by Pearson
ISBN 10: 0-32184-874-8
ISBN 13: 978-0-32184-874-1

Chapter 4 - Polynomials - 4.2 Negative Exponents and Scientific Notations - 4.2 Exercise Set: 113

Answer

$0.5\times10^{-5}$

Work Step by Step

Using the laws of exponents and the concepts of scientific notation, the given expression, $ (4.0\times10^{3})\div(8.0\times10^{8}) $, simplifies to \begin{array}{l} (4.0\div8.0)\times10^{3-8} \\\\= 0.5\times10^{-5} .\end{array}
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