4
you can arrange 8 pictures 28 different ways
There are six different ways to arrange the letters XYZ... XYZ XZY YXZ YZX ZXY ZYX
1 time
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 4 distinguishable letters in the word fish, so there is 4! or 24 different ways can you arrange the letters in the word fish.
8! = 40320 ways.
24
One... numbers
you can arrange 8 pictures 28 different ways
24 ways
you can arrange three beads 9 different ways.
120 ways
7!=5040
Only One
8
There are six, but it is traditional to list them least to greatest,
There are 30 ways.