How many 3-letter words can be made from the letters WASTEFUL if repetition of letters is allowed? repetition of letters is not allowed?
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If repetition of letters is allowed: We have 8 different letters and we are making a 3-letter word. So, for each of the 3 positions in the word, we can choose any of the 8 letters. Therefore, the total number of 3-letter words is 8*8*8 = 512. Show more…
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