Mathematics, 16.10.2020 15:01, chuky1325

A combination lock uses three numbers between 1 and 81 with repetition, and they must be selected in the correct sequence. Is the name of "combination lock" appropriate? Why or why not? Choose the correct answer below. A. No, because the multiplication counting rule would be used to determine the total number of combinations.
B. No, because factorials would be used to determine the total number of combinations. O
C. Yes, because the combinations rule would be used to determine the total number of combinations. O
D. No, because the permutations rule would be used to determine the total number of combinations.

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A combination lock uses three numbers between 1 and 81 with repetition, and they must be selected in...