document.write( "Question 1156994: In a small city there are different exchanges possible for each 7-digit telephone number. The exchange is the first 3 digits of the telephone number. Each of the last 4 digits can be any integer from 0 to 9. How many telephone numbers are possible in the town? \n" ); document.write( "
Algebra.Com's Answer #779776 by josmiceli(19441)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "The 1st number would be \n" ); document.write( "( exchange ) - 0 0 0 0 \n" ); document.write( "The last number would be \n" ); document.write( "( exchange ) - 9 9 9 9\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |