Prealgebra (7th Edition)

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

Chapter 5 - Section 5.3 - Multiplying Decimals and Circumference of a Circle - Exercise Set - Page 360: 17



Work Step by Step

When multiplying by a factor of 10, move the decimal in the other factor to the right the same number of places there are zeroes in the factor of 10 to find the product. $7.2\times100=7\underrightarrow{.20}=720$
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