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Q: How many 4 number combinations can be made from 9 numbers?

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The number of combinations of six numbers that can be made from seven numbers will depend on if you can repeat numbers. In all there are over 2,000 different numbers that can be made.

8C6 = 28

252 combinations, :)

None. You do not have enough numbers to make even one combination.

2 to the 7th power = 128 * * * * * No. That is the total number of combinations, consisting of any number of elements. The number of 2 number combinations is 7*6/2 = 21

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.

20

If the numbers can be repeated and the numbers are 0-9 then there are 1000 different combinations.

There are 8,592,039,666 combinations of 6 numbers out of 138 numbers, like the numbers from 1 to 138.

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.

There are infinitely many numbers and so infinitely many possible combinations.

There are 12,033,222,880 of them.

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