15C3 = 455
3 items (or people) can line up in 6 different sequences. 6 items (or people) can line up in 720 different sequences.
5
8
you can arrange three beads 9 different ways.
6
The number of different ways that you can arrange 15 different items is given by the permutations of 15 things taken 15 at a time. That is 15 factorial, or 1,307,674,368,000.
35,280
you can arrange 8 pictures 28 different ways
8 groups of 2 = 8 groups_of_2 × 2 items/group_of_2 = 16 items → 16 items ÷ 4 items/group_of_4 = 4 groups of 4.
You can arrange and rearrange the word as many times as you like!There are 5040 different ways.
Any 6 different items can be arranged in 6! (6 factorial) ways. 6! = 6 * 5 * 4 * 3 * 2 * 1 = 720.
10!
4
1 time
120 ways
58 groups (including a group containing zero items).
There are six different ways to arrange the letters XYZ... XYZ XZY YXZ YZX ZXY ZYX