document.write( "Question 416956: How many six-digit telephone numbers are possible if the first digit cannot be a (0) \n" ); document.write( "
Algebra.Com's Answer #292000 by sudhanshu_kmr(1152)![]() ![]() You can put this solution on YOUR website! \n" ); document.write( "no. of ways to put digit at first place = 9\r \n" ); document.write( "\n" ); document.write( "no. of ways to put digit at other place = 10\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "possible numbers = 9 * 10^5 = 900000\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |