document.write( "Question 1147188: 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 #768504 by Alan3354(69443) You can put this solution on YOUR website! 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( "========= \n" ); document.write( "Assuming only CAPS are used: \n" ); document.write( "23 letters are used, and 9 numbers. \n" ); document.write( "------------ \n" ); document.write( "The 1st letter is 1 of 23 \n" ); document.write( "The 2nd is 1 of 22 \n" ); document.write( "The 3rd is 1 of 22 \n" ); document.write( "--- \n" ); document.write( "The 1st number is 1 of 9 \n" ); document.write( "Same for numbers 2, 3 & 4 \n" ); document.write( "---> 23*22*22*9*9*9*9 \n" ); document.write( " \n" ); document.write( " |