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Math Help - permutation problem 3

  1. #1
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    permutation problem 3

    hey guys, need some help with this problem. this is one of four permutation problems that our teacher gave us to solve but haven't really figured it out, plus i was sick so i missed the lecture..

    3) Repetitions not allowed, how many 3 digit nos. can be formed from the digits 0,1,2,3,4,5?

    thanks for the help. we've been given all the basic formula for permutations but I'm at a loss at how to apply them still.
    Last edited by Jhevon; April 26th 2009 at 01:29 PM.
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  2. #2
    Member SengNee's Avatar
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    Quote Originally Posted by wheresthecake View Post
    hey guys, need some help with this problem. this is one of four permutation problems that our teacher gave us to solve but haven't really figured it out, plus i was sick so i missed the lecture..

    3) Repetitions not allowed, how many 3 digit nos. can be formed from the digits 0,1,2,3,4,5?

    thanks for the help. we've been given all the basic formula for permutations but I'm at a loss at how to apply them still.
    ^6P_3
    There are total 6 digits, we just want to choose 3 of them and then arrange them.

    Do you really refer to your books and try to learn it by yourself?
    This question can be found in any math books I think, because it is a very basic concept for permutation and combination.
    Sometimes, we can't depend 100% to our lecturers, sometimes we gave to be independent.
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