College Algebra (6th Edition)

Published by Pearson
ISBN 10: 0-32178-228-3
ISBN 13: 978-0-32178-228-1

Chapter P - Prerequisites: Fundamental Concepts of Algebra - Exercise Set P.2 - Page 33: 89



Work Step by Step

$$(1.6\times10^{15})(4\times10^{-11})$$ Regroup like terms then simplify $$=(1.6\times4)(10^{15}\times10^{-11})$$ $$=6.4\times10^{(15+(-11))}$$ $$=6.4\times10^{4}$$
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