document.write( "Question 964708: How many ways can the letters A,B,C,D,E, and F be arranged in a row 4 at a time if neither A nor C can be second and E must be third? Repetition is permitted. \n" ); document.write( "

Algebra.Com's Answer #589642 by Edwin McCravy(20060) $\"\"$ $\"About$

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How many ways can the letters A,B,C,D,E, and F be arranged in a row 4 at a time if
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document.write( "Choose the 1st letter any of these 6 ways {A,B,C,D,E,F}\r\n" );
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document.write( "Choose the 2nd letter any of these 4 ways {B,D,E,F}\r\n" );
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document.write( "Choose the 3rd letters only 1 way {E}\r\n" );
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document.write( "Choose the 4th letter any of these 6 ways {A,B,C,D,E,F}\r\n" );
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document.write( "Answer: 6×4×1×6 = 144 ways\r\n" );
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document.write( "Edwin

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