SOLUTION: How many different ways are there to seat 20 people in 20 different seats?

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Question 393195: How many different ways are there to seat 20 people in 20 different seats?
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!
For any number of people,+n, the answer would be %28n+%29%21 .
+n=20