Question

Three bands are going to play in a concert. In how many different orders can the bands play

Answer 1

6

Explanation:

Let's call the bands by numbers :

So we have Band 1,2 and 3

The orders can be :

1,2,3

2,3,1

3,1,2

1,3,2

3,2,1

2,1,3

so there must be 6 different orders

Another method of doing this is to called product rule of counting :

3 × 2 × 1 = 6

Hope this helped and have a good day