document.write( "Question 959421: How many seven-digit phone numbers can be formed if the digit cannot be 0 or 1? \n" ); document.write( "
Algebra.Com's Answer #586439 by Alan3354(69443)![]() ![]() You can put this solution on YOUR website! How many seven-digit phone numbers can be formed if the digit cannot be 0 or 1? \n" ); document.write( "================= \n" ); document.write( "If \"the digit\" is all 7, --> 8^7 numbers. \n" ); document.write( " \n" ); document.write( " |