SOLUTION: How many five-letter permutations can be formed from the first ten letters of the alphabet?

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Question 518485: How many five-letter permutations can be formed from the first ten letters of the alphabet?
Answer by valentity(6) About Me  (Show Source):
You can put this solution on YOUR website!
Your answer is 10 permutation 5 that is 10*9*8*7*6.