SOLUTION: A reading list for your English classcontains 20 books. a)How many different sets of four books can you choose from the list to read over Spring Break?
b)In how many different or
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b)In how many different or
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Question 617216: A reading list for your English classcontains 20 books. a)How many different sets of four books can you choose from the list to read over Spring Break?
b)In how many different orders can you read these four books?
Is answer a) 20P4 =116280 is answer b) 20C4=4845 ???? Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! A reading list for your English classcontains 20 books. a)How many different sets of four books can you choose from the list to read over Spring Break?
b)In how many different orders can you read these four books?
Is answer a) 20P4 =116280 is answer b) 20C4=4845 ????
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Your answer to "a" is correct.
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The answer to "b" is 4! = 24 ways to order the 4 books you choose.
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Cheers,
Stan H.
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