document.write( "Question 1204437: A car license plate contains three letters followed by four digits. How many different plates can be made if no two consecutive letters can be the same, if the letters I, O and Q cannot be used, and if the number 0 cannot be used? \n" ); document.write( "
Algebra.Com's Answer #840686 by ikleyn(52800)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( "A car license plate contains three letters followed by four digits. \n" ); document.write( "How many different plates can be made if no two consecutive letters can be the same, \n" ); document.write( "if the letters I, O and Q cannot be used, and if the number 0 cannot be used? \n" ); document.write( "~~~~~~~~~~~~~~~~~~~~\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \r\n" ); document.write( "In all, 26-3 = 23 letters and 10-1 = 9 digits are used.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Under imposed conditions, the letters give us the factors 23*22*22;\r\n" ); document.write( "\r\n" ); document.write( "the digits give the factors\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |