24
24 ways.
There are 40,320 ways to arrange eight letters. In this case, around sixty of those ways will result in English words.
Just the one.
8
40
you can arrange three beads 9 different ways.
you can arrange 8 pictures 28 different ways
You can arrange 4 in 2 ways 1x4 and 2x2.
Answer: 2580 km = 1603.137 mi.
24 ways.
30
24.
120
6
24 ways
120 ways
In 1,307,674,368,000, or 15! ways.