How many ways can six kids line up in a single row to have their picture taken?

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asked Jun 22, 2017 80.6k views

2 Answers

Alva · Answer 1 · 2017-06-25T19:46:36+0000

slot method aka permuations
6 slots
1st slot: 6 options
2nd slot: 5 options (1 went to first slot)
3rd slot: 4
4th slot:3
5th slot:2
6th slot:1

multiply
6*5*4*3*2*1=720

720 ways

How many ways can six kids line up in a single row to have their picture taken?

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