document.write( "Question 430898: how many different 7place licence plates are possible if the first 3 places are occupied by letters and the last 4 by numbers? \n" ); document.write( "
Algebra.Com's Answer #299150 by vleith(2983)![]() ![]() ![]() You can put this solution on YOUR website! How many letters are there ? And does case matter? \n" ); document.write( "If you say there are 26 letters and 10 digits, then the result is as follows. \n" ); document.write( "You have 26 choices for the first letter, 26 for the second and 26 for the third. \n" ); document.write( "Your have 10 choices for each of the remaining 4 positions \n" ); document.write( "So \n" ); document.write( " \n" ); document.write( "You can take it from there\r \n" ); document.write( "\n" ); document.write( "If you can have lower case letter, or allow special charactiers (like space or $ or whatever) then just bump up the number accordingly and do the math again.\r \n" ); document.write( "\n" ); document.write( "Make sense? \n" ); document.write( " \n" ); document.write( " |