There are 60480 numbers.
There are 4^6 = 4096 such numbers.
64
8 of them.
1000
There are 900 three-digit numbers, ranging from 100 to 999.
11,238,513 of them.
Using 1, 2, and 3, you can make 27 whole numbers.
a lot
Using the combination fuction, chose three numbers from 45 numbers. The answer is 14,190.
There are 60480 numbers.
4!=4x3x2x1=24
How many 3 diget number can made by the the following numbers 6789
There are 4^6 = 4096 such numbers.
64
64
3! = 6.