Question

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

Answer 1

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

Answer 2

Answer:

720

Step-by-step explanation: