In a certain state, license plates consist of from zero to three letters followed by
Chapter 9, Problem 6(choose chapter or problem)
In a certain state, license plates consist of from zero to threeletters followed by from zero to four digits, with the provision,
however, that a blank plate is not allowed.
a. How many different license plates can the state produce?
b. Suppose 85 letter combinations are not allowed because
of their potential for giving offense. How many different
license plates can the state produce?
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