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?
Correct Answer:
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Q15: How many permutations of the seven letters
Q16: suppose that a "word" is any string
Q17: suppose that a "word" is any string
Q18: consider all bit strings of length 12.
-How
Q19: Find the number of words of length
Q21: nine people (Ann, Ben, Cal, Dot, Ed,
Q22: How many 8-element DNA sequences contain exactly
Q23: How many permutations of the seven letters
Q24: nine people (Ann, Ben, Cal, Dot, Ed,
Q25: How many truth tables are possible for
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