SOLUTION: a seven digit phone number consists of a three-digit prefix followed by four digits. How many different phone numbers are possible for a particular prefix?

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Question 846269: a seven digit phone number consists of a three-digit prefix followed by four digits. How many different phone numbers are possible for a particular prefix?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
10,000 numbers are possible for a given prefix ABC
ABC-0000
thru
ABC-9999