28. How many six- digit numbers can be formed from the digit 1, 2, 3, 4, 5 and 6 if repetitions are allowed? A. 702 B. 720 C. 46,656 D. 46,665
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Since repetitions are allowed, each digit can be any of the given digits (1, 2, 3, 5, 6). So, there are 5 choices for each digit. Show more…
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