A phone number consists of 7 digits. How many such numbers have the prefix (first 3 digits) 487

A phone number consists of 7 digits. How many such numbers have the prefix (first 3 digits) 487
bobbi78
Asked May 17, 2010
9,999
chainreaction
Answered May 18, 2010
10,000. (Assuming all numbers are valid phone numbers.)
4870000 to 4879999.
ChrisC
Answered May 19, 2010

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