#### Answer

$-\frac{4}{7}$

#### Work Step by Step

$-\frac{2}{5}\div\frac{7}{10}$
=$-(\frac{2}{5}\div\frac{7}{10})$
=$-(\frac{2}{5}\times\frac{10}{7})$
=$-(\frac{20}{35})$
=$-\frac{4}{7}$

Published by
Pearson

ISBN 10:
0321955048

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

$-\frac{4}{7}$

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