Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Appendix C - Exercise Set: 28

Answer

0.20

Work Step by Step

$(5\times10^{6})(4\times10^{-8})$ $\longrightarrow$ associative property =$(5\times4)(10^{6}\times10^{-8})$ $\longrightarrow$ multiply; add exponents if the base is the same =$20\times10^{-2}$ $\longrightarrow$ move the decimal 19 places to the left =$0.20$
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