There are 4 digits. You can pick one of them as the first digit. So you can pick the first number 4 ways. Having picked the first number, the second number you can pick in only 3 ways. Having picked the first number and the second number you can pick the third number in only 2 ways. Having picked the first number and the second number and the third number you can pick the fourth number in only 1 way.
So total ways of arranging 1468 would be 4 x 3 x 2 x 1 = 24
One... numbers
24 ways
24
6 to the power of 6 so 6x6x6x6x6x6=46,656
you can arrange three beads 9 different ways.
One... numbers
24 ways
8! = 40320 ways.
4
7!=5040
24
There are 6!/2! = 360 ways.
120 if numbers can start with 0, otherwise, 96.
6 to the power of 6 so 6x6x6x6x6x6=46,656
-8
You can arrange 4 in 2 ways 1x4 and 2x2.
you can arrange 8 pictures 28 different ways