SOLUTION: How many ways can you choose 8 dvds from 20 and watch them in order?

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Question 1108953: How many ways can you choose 8 dvds from 20 and watch them in order?
Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!
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The number of ways is 20*19*18*17*16*15*14*13,

if the order of dvd's does matter