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OpenStudy (anonymous):
The following problem refers to strings in A, B, ..., Z. How many three-letter strings are there that begin with H ?The following problem refers to strings in A, B, ..., Z. How many three-letter strings are there that begin with H ?
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OpenStudy (dan815):
okay so there are a total of 26 alphabets if i remember correctly
OpenStudy (dan815):
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