1000
You can make 5 combinations of 1 number, 10 combinations of 2 numbers, 10 combinations of 3 numbers, 5 combinations of 4 numbers, and 1 combinations of 5 number. 31 in all.
64
Number of 7 digit combinations out of the 10 one-digit numbers = 120.
You could make 10*10*10*26*26*26 combinations, or 17576000 combinations.
Their is 25 combinations
1000
Using the combination fuction, chose three numbers from 45 numbers. The answer is 14,190.
There are 125970 combinations and I am not stupid enough to try and list them!
26 = 64 combinations, including the null combination - which contains no numbers.
There are a huge number of combinations of 5 numbers when using the numbers 0 through 10. There are 10 to the 5th power combinations of these numbers.
You can make 5 combinations of 1 number, 10 combinations of 2 numbers, 10 combinations of 3 numbers, 5 combinations of 4 numbers, and 1 combinations of 5 number. 31 in all.
There are 252 combinations.
64
4!=4x3x2x1=24
4582
There are infinitely many numbers and so infinitely many possible combinations.