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Question 59 Answer and Explanation _ACT December 2007 Form 65E Math Section
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59.
If
, then (
n
- 1)! = ?
A. 15
B. 24
C. 60
D. 120
E. 720
Answer and Explanation
Your Answer is
Correct Answer is D
Explanation
, then (n - 1)! = ?, then (n - 1)! = ?