#### Answer

362880

#### Work Step by Step

9!
Step 1: Expand 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1
Step 2: Simplify
= 72 x 42 x 20 x 6
= 3024 x 120
= 362880

Published by
Prentice Hall

ISBN 10:
0133186024

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

362880

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