document.write( "Question 475193: An automobile license plate consists of three letters followed by four digits. How many different plates can be made if repetions are allowed? If repetions are allowed in the letters but not in the digits? \n" ); document.write( "
Algebra.Com's Answer #325827 by jorel1380(3719)![]() ![]() You can put this solution on YOUR website! 3 letters=26^3=17576 \n" ); document.write( "4 digits=0000-9999=10000 \n" ); document.write( "3 letters by 4 digits=17576x10000=175,760,000 \n" ); document.write( "-------------------- \n" ); document.write( "no repetitions allowed in digits=10C4=10x9x8x7x6!/4x3x2x6!=10x3x7=210 \n" ); document.write( "210 x 17576=3690960.. \n" ); document.write( " |