If the question means how many combinations are there of the 8 digits, taken 4 at a time, the answer is
(8*7*6*5)/(4*3*2*1) = 70
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How many numbers are there are in each combination ?If one, then 4 combinations.If two, then 6 combinations.If three, then 4 combinations.If four, then only 1 combination.
they are 24 you can make with the numbers 1-4 or any other 4 digits here they are123412431432142313421324213421432431241323412314312431423421341232413214423142134312432141324123* * * * *WRONG!These are permutations, not combinations. In a combination theorder of the digits does not matter so there is only one combination of 4 digits out of 4.
14 * * * * * Wrong! There are 15. 4 combinations of 1 number, 6 combinations of 2 number, 4 combinations of 3 numbers, and 1 combination of 4 numbers.
Assuming each number can be used more than once.... 2401 possible combinations.
Just the one. The order of the numbers does not matter in a combination so that 123456 is the same combination as 245136.