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How many different 7-letter words can be made a. if the first letter must be E, X, Q, or L and no letter may be
How many different 7-letter words can be made a. if the first letter must be E, X, Q, or L and no letter may be repeated? b. if repeats are allowed (but the first letter is E, X, Q, or L)? c. How many of the 7-letter words (starting with E, X, Q, or L) with no repeats end in J? a. If the first letter must be E, X, Q, or L, and all the letters in the word must be different, then there are 510048000 7-letter words. b. If the first letter must be E, X, Q, or L, and letters can be repeated, then there are 1235663104 7-letter words. c. If the first letter must be E, X, Q, or L, and the last letter must be J and all the letters in the word must be different, then there are 25502400 7-letter words
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