SOLUTION: In how many ways can 4 people be chosen and arranged in a straight line, if there are 12 people from whom to choose?

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Question 1063732: In how many ways can 4 people be chosen and arranged in a straight line, if there are 12 people from whom to choose?
Answer by addingup(3677) About Me  (Show Source):
You can put this solution on YOUR website!
n!/((n-x)! * x!)
:
12!/((12-4)!*4!) = 495