SOLUTION: The phone numbers in a certain city consist of the prefix 123, 234, and 345, followed by four distinct digits from 0 to 9. How many such phone numbers are possible? possible answer

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Question 130041: The phone numbers in a certain city consist of the prefix 123, 234, and 345, followed by four distinct digits from 0 to 9. How many such phone numbers are possible? possible answers: a)19 b)102 c)5043 d)15120 e)604800
Answer by checkley71(8403)   (Show Source): You can put this solution on YOUR website!
3(10*9*8*7)=15,120 ANSWER D).
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