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Earn +20 ptsQ: How many combinations for a 4 digit number?
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How many four digit combinations are there in the numbers 1 to 12?
There are 12C4 4 NUMBER combinations. And that equals 12*11*10*9/(4/3/2/1) = 495 combinations. However, some of these, although 4 number combinations consist of 7 digits eg 1, 10, 11, and 12. Are you really sure you want 4-DIGIT combinations?
How many 4 digit combinations using 0-9 if each number may be used more than once?
10,000 combinations.
How many 4 digit combinations can be made from the numbers 0 to 9?
If every number can be used as many times as you like, there are 104 = 10000 different combinations. If each number can only be used once, there are 9!/(9 - 4)! = 5040 combinations.
How many combinations in 3879?
There are infinite combinations that can make 3879
How many 4 digit combinations are there in the number 6000 using only 6 and 0?
There is only 1 combination.
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