SOLUTION: In a certain office building, the first 4 digits of all of the 7 digit telephone numbers are 3,7,0 and 5, in that order. How many different 7 digit telephone numbers can begin 370

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Question 900873: In a certain office building, the first 4 digits of all of the 7 digit telephone numbers are 3,7,0 and 5, in that order. How many different 7 digit telephone numbers can begin 370-5_ _ _?
Answer by lwsshak3(11628) About Me  (Show Source):
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In a certain office building, the first 4 digits of all of the 7 digit telephone numbers are 3,7,0 and 5, in that order. How many different 7 digit telephone numbers can begin 370-5_ _ _?
1000 numbers from 370-5000 to 370-5999