SOLUTION: How many ways can you arrange four out of eight books on a shelf?

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Question 212537: How many ways can you arrange four out of eight books on a shelf?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
How many ways can you arrange four out of eight books on a shelf?
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8P4 = 8!/(8-4)! = 8*7*6*5 = 1680
Cheers,
Stan H.