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Short answer question. No justification is required. One mark per correct answer. a) How many 3-digit positive integers are there with odd digits? b) How many bit sequences are there of length six with a 1 as the first digit? c) How many possible (even non-sensical) 4-letter, lowercase English words are there? d) How many possible (even non-sensical) 4-letter, lowercase English words are there that end with the letter t? e) True or False: If 25 oranges are placed into 22 baskets, then at least one basket must contain 2 oranges