Prealgebra (7th Edition)

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

Chapter 5 - Section 5.4 - Dividing Decimals - Exercise Set: 10

Answer

9.9

Work Step by Step

Move decimal of divisor and dividend to make divisor a whole number. $2.\underset{\smile}{2}\ )\overline{21.\underset{\smile}{7}8}$ $\ \ \ \ \ \ \ \ \ 9.9$ $22)\overline{217.8}$ $\ \ \ \ \ \ \underline{198}$ $\ \ \ \ \ \ \ \ 198$ $\ \ \ \ \ \ \ \ \underline{198}$ $\ \ \ \ \ \ \ \ \ \ \ \ 0$ Estimate using front end rounding. $20\div2=10\checkmark$
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