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Suppose a state has license plates that display seven characters.

a) How many different 7 character plates are possible if only the digits 0-9 are used?

User Knock Yang
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Answer:License plate numbers in certain state consists of seven characters: The first character is digit (0 through 9) The next four characters are capital letters (A through Z) and the last two characters are digits. Therefore; license plate number in this state can be any string - of the form: Digit-Letter-Letter-Letter-Letter-Digit-Digit How many license plate numbers are possible if no digit appears more than once?

Step-by-step explanation: i don't know rm

User Joa Ebert
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