If you can use the same number more than once, then there are (3)(3)(3) = 27 possibilities.
If all the digits have to be different, then there are only (3)(2)(1) = 6 choices.
Trinity S.
asked • 10/09/19How many 3 digit numbers can you make only using 5,6,and 7
How many 3 digit numbers can you make only using 5,6,and 7
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