SOLUTION: how many different permutations are possible for 4 people waiting in line to get on an airplanes

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Question 397581: how many different permutations are possible for 4 people waiting in line to get on an airplanes
Answer by solver91311(24713) About Me  (Show Source):
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There are 4 ways to choose the first person. For each of those 4 ways, there are 3 ways to choose the second person. So altogether, 4 times 3 times 2 times 1, or simply: 4!


John

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