How many 2-digit numbers can you make using the digits 1, 2, 3, & 4 without repeating the digits?
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How many 2-digit numbers can you make using the digits 1, 2, 3, & 4 without repeating the digits?
How many 2-digit numbers can you make using the digits 1, 2, 3,& 4 without repeating the digits?