There are 5 choices for the ten thousands digit, 4 for the thousands, etc.
So it is (5)(4)(3)(2)(1)
a lot.....
24 ways
24
Only One
10 000 ways
4! = 4*3*2*1 = 24 ways
24 ways
4
24
-8
4! = 4 * 3 * 2 * 1 = 24 ways[1]
Only One
1
10 000 ways
25 ! or 25*24*23*22*...*2*1 which is approx 1.551*1025 or 15.51 septillion
1 time
3*2*1 = 6 ways.
If all 16 numbers show up in each arrangement, then they can be arranged in20,922,789,890,000 different ways.(That number is rounded to the nearest ten thousand, so it's accurate to withinone ten-millionth of 1 percent.)