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anonymous
 one year ago
Find the number of permutations of the first 12 letters taken 3 at a time.
anonymous
 one year ago
Find the number of permutations of the first 12 letters taken 3 at a time.

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sloppycanada
 one year ago
Best ResponseYou've already chosen the best response.112 letters of the alphabet I assume?

anonymous
 one year ago
Best ResponseYou've already chosen the best response.0I guess because that's all it says

sloppycanada
 one year ago
Best ResponseYou've already chosen the best response.1\[\frac{ n! }{ (nr)! }\] Is the equation you want.

dan815
 one year ago
Best ResponseYou've already chosen the best response.3does permutations means u arent allowed to repeat letters

dan815
 one year ago
Best ResponseYou've already chosen the best response.3you have 12 letters, and you want to pick 3 of them you hae 12 choices for the first letter you pick, leaving you with any one of the 11 other choices leaving you with 10 other choices 12*11*10

sloppycanada
 one year ago
Best ResponseYou've already chosen the best response.1Using this equation, I got 1320.

dan815
 one year ago
Best ResponseYou've already chosen the best response.3and then there will be another 10 for eeach of the paths on the 2nd pick, thats why we multiply 12*11*10
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