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Q: How many different 4 digit combinations are there using 0-9 but having no duplicate numbers in the combination?
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Related questions

How many combinations of 6 numbers if you have 7 numbers?

There are 7 combinations. Each combination excludes a different one of the seven numbers.


How many combinations are there for a 6 digit number using the numbers 0 to 9?

If you can repeat the numbers within the combination there are 10,000 different combinations. If you cannot repeat the numbers within the combination, there are 5040 different combinations.


How many different combinations of 5 numbers 5 number combination?

120 WRONG! That is the number of PERMUTATIONS. In the case of combinations, the order of the numbers does not matter, so there is only 1 5-number combination from 5 numbers.


How many combinations of 6 numbers in 6 numbers?

Just one. unless you count 123456 different from 132456 then there are 46656 * * * * * But you cannot count 123456 as different from 132456 since it is NOT a different combination. And the question was about combinations.


What is the number of combinations of 1-6?

7


What number combinations can be made with the numbers 1 2 3 4 5 6 7?

There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.There is 1 combinations with 7 numbers in them,7 combinations with 1 or 6 numbers in them,21 combinations with 2 or 5 numbers in them,35 combinations with 3 or 4 numbers in them.Notionally, there is also one combination with no numbers in it.In all then, there are 128 ( = 27) combinations.


How many combinations are there with 5 numbers?

5*4*3*2*1 = 120 combinations. * * * * * No. The previous answerer has confused permutations and combinations. There are only 25 = 32 combinations including the null combinations. There is 1 combination of all 5 numbers There are 5 combinations of 4 numbers out of 5 There are 10 combinations of 3 numbers out of 5 There are 10 combinations of 2 numbers out of 5 There are 5 combinations of 1 numbers out of 5 There is 1 combination of no 5 numbers 32 in all, or 31 if you want to disallow the null combination.


What are the different combinations using the numbers 0 through 9 but using the numbers only once in each combination?

There is only one combination. In a combination the order of the numbers does not matter so the only combination is 0123456789. This is the same as 1326458097


What are all the possible combinations if there are 65 numbers?

It depends on how many numer combinations you are looking for. If you are looking at combinations of any size, the answer is 265 which includes the null combination - the combination of no numbers out of 65.


How many number combinations are there if there are six numbers and you have to have a four number combination?

all numbers have to be different 720 360 (6*5*4*3*2*1), * * * * * Wrong. Combinations do not have to be different. Those are permutations. There are only 6C4 = 6*5/(2*1) = 15 combinations.


How many combinations of 6 numbers are there in 6 numbers What are these combinations?

software with winning combination for the florida pick 6 game what are these numbers


How many combinations are there with 99 numbers?

It depends on combinations with how many numbers. There is only one combination of 99 numbers taken from 99.