document.write( "Question 1143996: There are 7 students in a class. If there are 3 seats in the front row, how many ways can the students sit in the front row, assuming there are no empty seats? \n" ); document.write( "
Algebra.Com's Answer #764948 by ikleyn(52786)![]() ![]() You can put this solution on YOUR website! . \n" ); document.write( " \r\n" ); document.write( "\r\n" ); document.write( "Any of the 7 students may seat at the chair #1 (7 options).\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Any of remaining 6 students can seat at the chair #2 (6 options)\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Any of remaining 5 students can seat at the chair #3 (5 options)\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "\r\n" ); document.write( "Thus, in all, 7*6*5 = 210 different ways (placements) are possible. ANSWER\r\n" ); document.write( "\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |