SOLUTION: How many ways can 7 people sit in 7 seats in a row?

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Question 512015: How many ways can 7 people sit in 7 seats in a row?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
There are 7 ways to seat the 1st one
There are 6 ways to seat the 2nd one
There are 5 ways to seat the 3rd one
etc.
+7%2A6%2A5%2A4%2A3%2A2%2A1+=+5040+ different ways