2578
5287
5782
8572
24 of them.
Yuo can make only one combination of 30 digits using 30 digits.
You can make 4*4*4 = 64 numbers.
8*7*6*5*4 = 6720 of them.
If the digits are all different then 18. Otherwise, 192.
The are 100,000,000.
Yuo can make only one combination of 30 digits using 30 digits.
Using only positive digits, and disregarding their order, 3 ways.
0
6 for 3-digits, 6 for 2-digits, 3 for 1-digits, and 15 for all of the combinations
9
99999
Using the combination C(4,3) I got the answer 24. Its either a combination or a permutation.
89,999 different numbers i guess
There are 192.
You can make 4*4*4 = 64 numbers.
600 of them.600 of them.600 of them.600 of them.
24