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posted by on .

Okay, for this one, I know it's either one of two answers.

In how many different ways can 7 different people line up for a picture?

49, or 823543.

  • probability - ,

    Neither. The answer is

    7! = 7*6*5*4*3*2*1 = 5040

    Your last number is 7^7. No way

  • probability - ,

    Oh. Alright. Thanks.

  • probability - ,

    how many ways can the 5people be arranged in a row if the father is on the far right?

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