If each digit in the set A = {1, 2, 3, 4, 5, 6, 7, 8} is used exactly once, in how many ways can the digits be arranged?
Answers:
A) 36,100 B) 38,210 C) 40,320 D) 42,430 E) 44,540
8! = 40,320   The answer is 40,320.
<result>C</result>
If each digit in the set A = {1, 2, 3, 4, 5, 6, 7, 8} is used exactly once, in how many ways can the digits be arranged?