document.write( "Question 883600: How many ordered lists are there of five items chosen from seven? \n" ); document.write( "
Algebra.Com's Answer #533628 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! P(n,r) = (n!)/((n-r)!)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(7,5) = (7!)/((7-5)!)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(7,5) = (7!)/(2!)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(7,5) = (7*6*5*4*3*2!)/(2!)\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(7,5) = 7*6*5*4*3\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "P(7,5) = 2520\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There are 2520 different ways to order them. \n" ); document.write( " |