Farhan is in a hurry to tidy up. without looking at the cases of 3 cds, farhan just puts the cds into the cases. how many different ways can the 3 cds be put into the cases?

Question

please show me what work you use to do this? im super confused. thx

Answer 1

6 Different Ways:

1, 2, 3.
2, 3, 1.
3, 1, 2.

3, 2, 1.
2, 1, 3.
1, 3, 2.

Answer 2

3!
3*2*1=6