The answer will be an incredibly huge number. There are a different number of windows, each window can refer to a different application, they can be of different sizes, they can be located at different positions.
you can arrange 8 pictures 28 different ways
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.
There are six different ways to arrange the letters XYZ... XYZ XZY YXZ YZX ZXY ZYX
There are 4 distinguishable letters in the word fish, so there is 4! or 24 different ways can you arrange the letters in the word fish.
4
you can arrange 8 pictures 28 different ways
manipulate windows
you can arrange three beads 9 different ways.
120 ways
Right click anywhere on your screen, and choose one of the choices, or left click on them and move them to a spot, then right click and choose Lock so they won't move back when you reboot. I store mine along the left edge of the screen so I can still put up nice screen backgrounds.
How many different ways can we arrange 9 objects taken 3 at a time?
8
If you have three DIFFERENT letters, you can arrange them in 3! = 1 x 2 x 3 = 6 different ways.
8! = 40320 ways.
There are 30 ways.
24 ways
24 ways