Prealgebra (7th Edition)

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

Appendix C - Exercise Set: 32

Answer

0.000002

Work Step by Step

Divide the coefficients and subtract the exponents. $\frac{0.4\times10^{5}}{0.2\times10^{11}}$ =$2\times10^{-6}$ $\longrightarrow$move the decimal 6 places to the left =$0.000002$
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