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algebra

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Six people are going to be seated in a row of 8 chairs. How many different ways may they be seated?

  • algebra -

    6P4
    = 6!/(6-4)!
    =6*5*4*3*2*1/2!
    =6*5*4*3*2*1/2*1
    =720/2
    =360.
    (/)-represents division.
    (*)-represents multiplication.
    Thanks.
    I hope it was super helpful.

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