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Q: How many possible combinations of 3 letters can you make?

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Assuming you are using the standard English alphabet, the number of combinations you can make are: 26 x 26 = 676 combinations.

26x26x26x10x10x10 = 17,576,000

The question contradicts itself. The order of the letters is irrelevant in a combination [though it does matter in a permutation]. So what is it that you are asking for? Combinations or order-dependent arrangements?

17,576 possible combinations * * * * * Not quite! This is the total number of permutations of 3 letters out of 26. AAB is counted as being different from ABA or BAA. But these are the same combinations. Thus there are 26 combinations of just one letter. 26*25 combinations of two letters and 26*25*24/(3*2*1) of three. In all, that makes 26 + 650 + 2600 = 3276

Four outcomes, three combinations.

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3,124,550 possible combinations

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If you are allowed to repeat letters (A-Z) then there are 17,576 different combinations. If you can not repeat letters then there are 15,600 combinations.

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you can make 6

You could make 10*10*10*26*26*26 combinations, or 17576000 combinations.

Assuming you are using the standard English alphabet, the number of combinations you can make are: 26 x 26 = 676 combinations.

it is 26

7,893,600 (seven million, 8 hundred ninety-three thousand, 600) combinations in English.

87400 combinations

There is a possible 1978,0000 billion words you can make

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