Basic College Mathematics (10th Edition)

Published by Pearson
ISBN 10: 0134467795
ISBN 13: 978-0-13446-779-5

Chapter 4 - Decimals - 4.5 Dividing Decimal Numbers - 4.5 Exercises - Page 304: 4

Answer

Move the decimal one place to the right to make 5.1 a whole number. Move the decimal one place to the right in 10.5 to avoid changing the quotient. $5.\underrightarrow1\bigr)\overline{10.\underrightarrow5}$

Work Step by Step

$10.5\div5.1$= $(10.5\times10)\div(5.1\times10)$= $105\div51$
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