If each digit in the set A = {1, 2, 3, 4, 5, 6, 7} is used exactly once, in how many ways can the digits be arranged? Pick one:
A) 4830 B) 5040 C) 5250 D) 5460 E) 5680
7! = 5040   The answer is 5040.
<result>B</result>
If each digit in the set A = {1, 2, 3, 4, 5, 6, 7} is used exactly once, in how many ways can the digits be arranged?