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Earn +20 ptsQ: How many 2 digit combinations can be made with 2 digits?
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How many 4 digit combinations can be made using numbers 1 2 3 4 6?
120 combinations using each digit once per combination. There are 625 combinations if you can repeat the digits.
How many combinations of three digits can be made from the numbers 123?
6
How many different three digit combinations can be made from numbers 0 1 2 3 4 5 6 7 8 9?
There are 720 combinations if you use each of the digits only once per combination.
How many 4 digit numbers can be made by he digits 0123 using the digit once?
2
How many 3 digits combinations can be made from 1234567890?
To calculate the number of 3-digit combinations that can be made from the numbers 1-9, we can use the formula for permutations. Since repetition is allowed, we use the formula for permutations with repetition, which is n^r, where n is the total number of options (10 in this case) and r is the number of digits in each combination (3 in this case). Therefore, the total number of 3-digit combinations that can be made from the numbers 1-9 is 10^3 = 1000.
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