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    Discrete Mathematics and Its Applications Study Set 1
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    Exam 6: A: Counting
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    Suppose That a "Word" Is Any String of Seven Letters
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Suppose That a "Word" Is Any String of Seven Letters

Question 58

Question 58

Short Answer

suppose that a "word" is any string of seven letters of the alphabet, with repeated letters allowed.
-How many words begin with A or B and end with A or B?

Correct Answer:

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