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Earn +20 ptsQ: If you have 8 numbers How many combinations of 2 can you get?
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How many combinations of 2 can you get in 8 numbers?
There are 8*7/(2*1) = 28 combinations.
How many 2 number combinations are there in the numbers 1 to 9?
There are 9C2 = 9*8/(2*1) = 36 2-digit combinations.
How many different combinations of six with eight numbers?
There are 8C6 = 8*7/(2*1) = 28 combinations.
How many combinations using 8 numbers are there in 20 numbers what are these combinations?
There are 125970 combinations and I am not stupid enough to try and list them!
How many numbers can you make with 3 7 8 9?
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.
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