Question

Find: P(6,2)

Answer 1

so how many ways can you arrange 6 people into group of 2

Answer 2

permutation formula

Answer 3

One way to do it:

There are two slots A and B. There are 6 people for slot A and 5 people for slot B

So 6*5 = 30 ways to make a group of 2 (order matters)

Answer 4

Another way to do it