document.write( "Question 1191738: At a horse race with a field of 10 horses. How many ways are there to select the first 3 finishers in the correct order? \n" ); document.write( "
Algebra.Com's Answer #823573 by ikleyn(52778)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "Any of 10 horses can be first, giving 10 possible options.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Any of remaining 9 horses can be second, giving 9 other possible options.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Any of remaining 8 horses can be third, giving 8 other possible options.\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Thus the total number of different possible options is 10*9*8 = 720. ANSWER\r\n" ); document.write( "\r \n" ); document.write( "\n" ); document.write( "Solved.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "--------------\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "It is a standard method and a standard mantra for solving such problems.\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |