#### Answer

$\frac{2}{15}$

#### Work Step by Step

$\frac{4}{21}\times\frac{7}{10}=\frac{4\times7}{21\times10}=\frac{28}{210}=\frac{28\div14}{210\div14}=\frac{2}{15}$

Published by
Pearson

ISBN 10:
0321969359

ISBN 13:
978-0-32196-935-4

$\frac{2}{15}$

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