Answer
Exact: $2\frac{3}{5}$
Estimate: $3$
Work Step by Step
Exact:
$4\frac{7}{10}-2\frac{1}{10}$
$=2\frac{6}{10}$
$=2\frac{3}{5}$
Estimate:
$4\frac{7}{10}-2\frac{1}{10}$
$\approx5-2$
$=3$
Prealgebra (7th Edition)
by Martin-Gay, Elayn
Published by
Pearson
ISBN 10:
0321955048
ISBN 13:
978-0-32195-504-3
Chapter 4 - Section 4.7 - Operations on Mixed Numbers - Exercise Set - Page 298: 39
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