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: 109

Answer

$3.915\times10^{-16}$

Work Step by Step

Using the laws of exponents and the concepts of scientific notation, the given expression, $ (8.7\times10^{-12})(4.5\times10^{-5}) $, simplifies to \begin{array}{l} (8.7)(4.5)\times10^{-12+(-5)} \\\\= 39.15\times10^{-17} \\\\= 3.915\times10^{-16} .\end{array}
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