Question: Question 6 {4 points) Let A be an alphabet consisting of ? letters. How mam,f different strings of length 4 can be formed over this


Question 6 {4 points) Let A be an alphabet consisting of ? letters. How mam,f different strings of length 4 can be formed over this alphabet? There is no restriction on how often a particular letter appears in a string. Your Answer: l_]
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