document.write( "Question 1201243: How many seven-digit local telephone numbers can be formed if the first three-digits are 169? \n" ); document.write( "
Algebra.Com's Answer #835524 by Alan3354(69443) You can put this solution on YOUR website! How many seven-digit local telephone numbers can be formed if the first three-digits are 169? \n" ); document.write( "------------------ \n" ); document.write( "If the 1st 3 are fixed, it's not relevant what they are. \n" ); document.write( "------- \n" ); document.write( "The last 4 are 0 to 9 ---> 10^4 = 10,000. \n" ); document.write( "=================================== \n" ); document.write( "PS No local telephone numbers begin with 1. \n" ); document.write( " |