SOLUTION: The telephone prefix for a university is 243. THe prefix is followed by four digits. How many telephones are pssible before a new prefix is needed?

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Question 204390This question is from textbook
: The telephone prefix for a university is 243. THe prefix is followed by four digits. How many telephones are pssible before a new prefix is needed? This question is from textbook

Answer by checkley77(12844)   (Show Source): You can put this solution on YOUR website!
10*10*10*10=10,000 is the max. number of 4 digit numbers for the 243 prefix.
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