document.write( "Question 1138557: In how many ways can 4 people be chosen and arranged in a straight line, if there are 12 people from whom to choose? \n" ); document.write( "

Algebra.Com's Answer #756367 by ikleyn(52781) $\"\"$ $\"About$

You can put this solution on YOUR website!
.
\n" ); document.write( "

\r\n" );
document.write( "In 12*11*10*9 = 11880 ways.      ANSWER\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Explanation :\r\n" );
document.write( "\r\n" );
document.write( "\r\n" );
document.write( "Any of 12 persons at the 1-st position.\r\n" );
document.write( "\r\n" );
document.write( "Any of 11 remaining persons at the 2-nd position.\r\n" );
document.write( "\r\n" );
document.write( "Any of 10 remaining persons at the 3-rd position.\r\n" );
document.write( "\r\n" );
document.write( "Any of  9 remaining persons at the 4-th position.\r\n" );
document.write( "

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

\n" );