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How many 3-digit numbers can we make using the digits 1, 2, 3, 4, 5, 6...

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Basic Math

How many 3-digit numbers can we make using the digits 1, 2, 3,4, 5, 6 without repetitions? How about with repetitions (meaningdifferent digits can hold the same number; e.g., 223 and 444 arevalid 3-digit numbers in the with repetitions case)?

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we have the following digits 123456 A Without repetitions We have to make a 3 digit numbers So for first digit we can select any number of out given six numbers 6 ways to    See Answer
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