SOLUTION: How many three-letter "words" can be made from 10 letters "FGHIJKLMNO" if repetition of letters is not allowed.
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Question 1122806: How many three-letter "words" can be made from 10 letters "FGHIJKLMNO" if repetition of letters is not allowed.
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
The number of ways to select 3 things from 10 things where ORDER MATTERS.
!}\ =\ \frac{10!}{7!}\ =\ 10\,\times\,9\,\times\,8)
John
My calculator said it, I believe it, that settles it
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