#### 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:
$4\frac{7}{10}-2\frac{1}{10}$
$\approx5-2$
$=3$

Published by
Pearson

ISBN 10:
0321955048

ISBN 13:
978-0-32195-504-3

Exact: $2\frac{3}{5}$
Estimate: $3$

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