# probability

posted by .

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 -

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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