Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Chapter 5 - Section 5.2 - Negative Exponents and Scientific Notation - Exercise Set: 99

Answer

$28\times10^{-19}=.0000000000000000028$

Work Step by Step

$(4\times10^{-10})(7\times10^{-9})=4\times7\times10^{-10}\times10^{-9}=28\times10^{-10+(-9)}=28\times10^{-19}=.0000000000000000028$
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