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: 112

Answer

$2.24\times10^{-7}$

Work Step by Step

Using the laws of exponents and the concepts of scientific notation, the given expression, $ \dfrac{5.6\times10^{-2}}{2.5\times10^{5}} $, simplifies to \begin{array}{l} (5.6\div2.5)\times10^{-2-5} \\\\= 2.24\times10^{-7} .\end{array}
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