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)\"\" \"About 
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( "
\n" );