document.write( "Question 945739: Stoney Creek is running out of phone numbers. They need a new area code for the city. How many options do they have if they cannot use 0 as the first number or the last number in the three digit area code? (remember that they also cannot use 905 or 289 as they are already full) \n" ); document.write( "
Algebra.Com's Answer #576968 by Edwin McCravy(20055)\"\" \"About 
You can put this solution on YOUR website!
\r\n" );
document.write( "They can choose the first digit any of 9 ways. (can't choose 0)\r\n" );
document.write( "They can choose the last digit any of 9 ways. (can't choose 0)\r\n" );
document.write( "They can choose the middle digit any of 10 ways. (can choose 0)\r\n" );
document.write( "That's 9x9x10 = 810 ways but we must subtract 2 for 905 and 289.\r\n" );
document.write( "\r\n" );
document.write( "Answer: 810-2 = 808 ways\r\n" );
document.write( "\r\n" );
document.write( "Edwin

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