#### Answer

12

#### Work Step by Step

$\frac{4!}{2!}$
Step 1: Expand $\frac{4\times3\times2\times1}{2\times1}$
Step 2: Simplify $4\times3$
= 12

Published by
Prentice Hall

ISBN 10:
0133186024

ISBN 13:
978-0-13318-602-4

12

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