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.) Suppose that license plates in a certain municipality come in two forms:
(1) three letters (A ... Z) followed by three digits (0 ... 9) or
(2) four letters followed by two digits.
How many different license plates are possible?
2.) The following problem refers to strings in A, B, ..., Z.
How many fourletter strings are there that contain exactly two J's? (Hint: Consider the disjoint cases determined by where the J's are in the string.)
 5 months ago
 5 months ago
.) Suppose that license plates in a certain municipality come in two forms: (1) three letters (A ... Z) followed by three digits (0 ... 9) or (2) four letters followed by two digits. How many different license plates are possible? 2.) The following problem refers to strings in A, B, ..., Z. How many fourletter strings are there that contain exactly two J's? (Hint: Consider the disjoint cases determined by where the J's are in the string.)
 5 months ago
 5 months ago

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