document.write( "Question 1031779: A 4-digit pin number is to be created using the digits 0 through 9. The first digit must be a 5 or an 8, and the last digit cannot be 0. How many pin numbers can be created?
\n" ); document.write( " \n" ); document.write( "

Algebra.Com's Answer #646429 by ikleyn(52787) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "A 4-digit pin number is to be created using the digits 0 through 9. The first digit must be a 5 or an 8,
\n" ); document.write( "and the last digit cannot be 0. How many pin numbers can be created?
\n" ); document.write( "~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( "

\r\n" );
document.write( " 2 options in the first position,\r\n" );
document.write( "\r\n" );
document.write( "10 options in position 2,\r\n" );
document.write( "\r\n" );
document.write( "10 options in position 3,  and \r\n" );
document.write( "\r\n" );
document.write( " 9 options in position 4.\r\n" );
document.write( "\r\n" );
document.write( "In total, 2*10*10*9 = 1800 pin numbers can be created.\r\n" );
document.write( "

\r
\n" ); document.write( "
\n" ); document.write( "\n" ); document.write( " \n" ); document.write( "

\n" );