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4! (factorial) or 24.

If you break it down, the first position can have the numbers 1 through 4 (4 possibilities), the second has one less by being second (3 possibilities), the third has two less (2) and the last one is just 1. Multiply each position by the next (4*3*2*1) and you get 24.

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That is totally incorrect. The given answer refers to the number of PERMUTATIONS not the number of COMBINATIONS.

The combination 1234 is the same as 1243, 2134 etc. In fact, all 4 permutations are the same combination. Consequently there is only 1 combination.

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could list all the combinations

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1111-1112-1122-1222-2222-2223-2233-2333-3333-3334-3344-3444-4444-1234-1123-2224-1332- theres like 1/5 of the answer

Lvl 1

you can make 24 combinations, you don't have to draw write down everything out; for example, 1234, 1243, 1324, 1342, 1432, 1423, you can make 6 combinations out of number "1", and 2,3,4 are also the same, so all you need to do is use 6 (because of six combinations for each number) times 4 (because 4 numbers in total) then you get 24, which is your final answer. : )

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1234 4321 1243 1324

Q: How many 4 number combinations can be made from 1234?

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There are only five combinations: 1234, 1235, 1245, 1345 and 2345.

Since the order of the digits does not matter there are only five combinations: 1234, 1235, 1245, 1345 and 2345.

If repeats are allowed than an infinite number of combinations is possible.

Given that 'ten different numbers' is all of them.. then including 0000, there will naturally be 10,000 combinations.* * * * *" ... there will naturally be 10,000" only if you don't know the difference between permutations and combinations.Orders do not affect combinations so that 1234 is the same as 4321, 1432, etc. The number of 4-digit combinationsis (10*9*8*7)/(4*3*2*1) = 210

6 different combinations can be made with 3 items

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Just 4: 123, 124, 134 and 234. The order of the numbers does not matter with combinations. If it does, then they are permutations, not combinations.

There are only five combinations: 1234, 1235, 1245, 1345 and 2345.

4 of them. In a combination the order of the numbers does not matter.

Since the order of the digits does not matter there are only five combinations: 1234, 1235, 1245, 1345 and 2345.

There are twelve possible solutions using the rule you stated.

Just four.

If repeats are allowed than an infinite number of combinations is possible.

How many place combinations in a four digit number and all have to go in different spot example: 1234, 4321, 2134 etc. numbers can't change and have to stay four numbers?The answer would be 36 different combinations. This is simply the counting principle and it's easy for anyone to learn.

There are 10,000 four number combinations in the numbers 0 through 9. * * * * * No, that is simply not true. The combination 1234 is the same as the combination 2134 and 2314 and 1423 etc. So, there are just 8*7*6*5/(4*3*2*1) = 70 combinations.

You Can Create 999 Number combinations

6 of them.

4*3*2*1 = 24 different combinations.