Oh, dude, you can make 24 different 4-digit numbers using the digits 2, 5, 7, and 8. It's like a combination lock, but with numbers. Just mix and match those digits and voila, you've got yourself a bunch of 4-digit numbers. Math can be fun, who knew?
Yuo can make only one combination of 30 digits using 30 digits.
8*7*6*5*4 = 6720 of them.
If the digits are all different then 18. Otherwise, 192.
The are 100,000,000.
There are 60480 numbers.
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
Using the combination C(4,3) I got the answer 24. Its either a combination or a permutation.
99999
89,999 different numbers i guess
There are 192.
24
3*3*2*1 = 18 of them.
600 of them.600 of them.600 of them.600 of them.