K Determine whether the following problem involves a permutation or a combination and explain your answer. How many different 5-letter passwords can be formed from the letters Q, R, S, T, U, V, and W if no repetition of letters is allowed? Choose the correct answer below. OA. The problem involves a combination because the order in which the letters are selected does not matter. OB. The problem involves a combination because the order in which the letters are selected does matter. OC. The problem involves a permutation because the order in which the letters are selected does not matter. OD. The problem involves a permutation because the order in which the letters are selected does matter.

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