khar khar
  • 24-05-2016
  • Mathematics
contestada

Assuming that there are 10 digits used as telephone number and the area code is a fixed 3 digit number. How many numbers could be created?

Respuesta :

Michael00
Michael00 Michael00
  • 24-05-2016
Well 10 minus 3 equals 7 so 7 numbers can be created.
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