document.write( "Question 889970: In how many ways can 6 letters be chosen from {R,S,T,U,V,W,X,Y,Z}, assuming that the order of the choices doesn't matter and that repeats are not allowed? \n" ); document.write( "

Algebra.Com's Answer #538605 by Edwin McCravy(20055) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "9 Choose 6 = 9C6 = C(9,6) =  = 84\r\n" );
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document.write( "=  =  =  =\r\n" );
document.write( "  \r\n" );
document.write( "  3  4\r\n" );
document.write( " =  3*4*7 = 84\r\n" );
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document.write( "On a TI calculator\r\n" );
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document.write( "Press ON\r\n" );
document.write( "Press CLEAR\r\n" );
document.write( "Press 9\r\n" );
document.write( "Press MATH\r\n" );
document.write( "Press left arrow key <\r\n" );
document.write( "Press 3\r\n" );
document.write( "Press 6        See:   9 nCr 6\r\n" );
document.write( "Press ENTER    See:        84\r\n" );
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document.write( "Edwin

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