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How Many Different Combinations of 9 Numbers

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In Microsoft Excel or Google Sheets you. So the result would be 9 C 1 10 C 1 10 C 1. Ways To Make A Number Composing Numbers Activities Word Problem Worksheets Word Problems Addition Words 3 2 1 6. . If each digit in a 3-digit lock contains the numbers 0 through 9 then each dial in the lock can be set to one of 10 options 0 1 2 3 4 5 6 7 8 or 9. The number says how many minimum from the list are needed for that result to be allowed. As here we have n 9 and r 8 therefore we have. This is the total number of unique combinations for 2 different numerals to appear as a 9 digit number. That is a total of 7 combinations. In permutations 123 is differrent. There are 512 2 to the 9th power different permutations for any two numbers to be used in a 9 digit number. Combinations of abcdefg that have at least 2 of ab or c. 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 1 000 000 000 Its relatively easy to see why this is ...