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by Ynohtnas_L on July 31st, 2011

Ynohtnas_L

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THE software installer has 4 letter identification codes. if each letter can be used only once, how many diff. ways can it be arranged?

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Answers. 4 helpful answers below.

  • by xprofessor on July 31st, 2011
    voted: d. 358, 800

    xprofessor

    Assuming there are 26 letters to choose from initially, the total number is
    26*25*24*23

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  • by Anonymous on July 31st, 2011

    Anonymous

    google "26 choose 4"

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  • by engineer is Terminator on July 31st, 2011

    engineer is Terminator

    If the letters are given, then it's 4! = 12.

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  • by Mister_Bromyde on July 31st, 2011

    Mister_Bromyde

    You're going to have to pass "Probability for IT Professionals" on your own. Sorry. The job market is just too competitive for me to help you.

    Also, I am a stupid piece of crap and couldn't help you anyway.

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