



 
Christofer, We don't usually create such big long lists. However, I don't understand where you get 43046721 from. The number of "possible 8 digit combinations of 09" is mathematically the number of unique sets of 8 numbers are selected from a group of 10 and order doesn't matter. This is expressed _{10}C_{8 } and since this is the same number as choosing 2 numbers to be excluded, it is just 10 times 9 divided by 2. That makes 45 choices. Perhaps you meant the number of possible 8 digit combinations of 09 where order does matter. You still can't reuse digits though. We call these permutations. This is expressed _{10}P_{8 } and is just 10 times 9: 90 choices. Or perhaps you meant the number of 8 digit numbers (repetitions permitted) using the digits 09. In that case, each digit has 10 choices and there are 8 of them, so the answer is 10^{8 } = 100 000 000. When you use the word "combinations" it means something specific mathematically. I'm not sure what you really meant or how you arrived at the 43046721 figure, but I'm pretty sure it isn't combinations you are looking for if you think this number is close. In any event, I suggest you write a quick little program on your computer to list what you want listed. Stephen La Rocque.>  


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