Six.
If you have three DIFFERENT letters, you can arrange them in 3! = 1 x 2 x 3 = 6 different ways.
you can arrange three beads 9 different ways.
8
15
Six.
120 different ways.
If you have three DIFFERENT letters, you can arrange them in 3! = 1 x 2 x 3 = 6 different ways.
you can arrange 8 pictures 28 different ways
you can arrange three beads 9 different ways.
120 ways
8
24 different ways (4! = 4 x 3 x 2 x 1)
15
120 ways
8! = 40320 ways.
There are 30 ways.