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Math help

Discussion in 'General Discussion' started by Quigley_Sharps, May 12, 2011.

  1. Quigley_Sharps

    Quigley_Sharps The Badministrator Administrator Founding Member

    My neighbors kid needs homework help and I can't remember the formula. If you have 4 people sitting at a table, how many different seating combinations are possible? And how many for 5 people? I am trying to explain to them that it is an exponential equation or something and there is a formula for this, but they can't seem to find it in the text book.
    Would it be 4 and for the latter 5 ? Show your work please so I can explain ?

    Sent from my iPhone
  2. CATO

    CATO Monkey+++

    24 and 120 respectively. It's called "factorial". 4! = 4 * 3 * 2 * 1
  3. ghrit

    ghrit Ambulatory anachronism Administrator Founding Member

    Yup. 5! = 4!X5
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