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Mathematics 18 Online
OpenStudy (anonymous):

In a certain state, license plates consist of three letters followed by three numbers. How many different license plates can be made?

OpenStudy (anonymous):

26^3 x 10^3

OpenStudy (anonymous):

How many different plates can be made in which no letter or number appears more than once?

OpenStudy (anonymous):

26!/(3!23!) x 10!/(3!7!)

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