4*4*4 = 64 of them.
There are 900 three-digit numbers, ranging from 100 to 999.
Using 1, 2, and 3, you can make 27 whole numbers.
64
Using the combination fuction, chose three numbers from 45 numbers. The answer is 14,190.
89,999 different numbers i guess
10999
24
There are 192.
8 of them.
3! = 6.
1000
2087