B. Problem solving. Read and analyze the following situations then, answer the questions that follows. 1. A certain password consists of 3 different letters of the alphabet where each letter is used only once. How many different possible passwords are there?
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First, we need to determine the number of choices for the first letter. Since there are 26 letters in the alphabet and we can only choose one letter, there are 26 options for the first letter. Show more…
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