document.write( "Question 595797: The access code for a car's security system consists of four digits. The first digit cannot be 5 and the last digit must be even or zero. How many different codes are available? \n" ); document.write( "
Algebra.Com's Answer #377305 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! The access code for a car's security system consists of four digits. The first digit cannot be 5 and the last digit must be even or zero. How many different codes are available? \n" ); document.write( "------ \n" ); document.write( "Pattern: DDDD \n" ); document.write( "1st: 9 ways \n" ); document.write( "2nd: 10 ways \n" ); document.write( "3rd: 10 ways \n" ); document.write( "4th: 5 ways \n" ); document.write( "--- \n" ); document.write( "Total codes: 9*5*100 = 4500 \n" ); document.write( "=============================== \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============== \n" ); document.write( " |