document.write( "Question 1156738: Phone numbers in the U.S. consists of 10 digits, a 3-digit area code and a 7-digit local number. How many different telephone numbers are possible within each area code, assuming that the local number cannot begin with 0 or 1? \n" ); document.write( "
Algebra.Com's Answer #779510 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! Phone numbers in the U.S. consists of 10 digits, a 3-digit area code and a 7-digit local number. How many different telephone numbers are possible within each area code, assuming that the local number cannot begin with 0 or 1? \n" ); document.write( "---------- \n" ); document.write( "7 digits. \n" ); document.write( "The 1st digit is 1 of 8. \n" ); document.write( "The other 6 are 1 of 10. \n" ); document.write( " |