#### Answer

$35$

#### Work Step by Step

$\dfrac {7!}{3!\times 4!}=\dfrac {4!\times 5\times 6\times 7}{3!\times 4!}=\dfrac {5\times 6\times 7}{1\times 2\times 3}=35$

Published by
Pearson

ISBN 10:
013421742X

ISBN 13:
978-0-13421-742-0

$35$

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