document.write( "Question 1003889: How many different 10-letter words (real or imaginary) can be formed from the following letters? O Q P E K G Q W F Q \n" ); document.write( "

Algebra.Com's Answer #620501 by Edwin McCravy(20054) $\"\"$ $\"About$

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document.write( " O Q P E K G Q W F Q\r\n" );
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document.write( "If the Q's were of different colors like this:\r\n" );
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document.write( " O Q P E K G Q W F Q\r\n" );
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document.write( "then the answer would be 10!.  However the Q's are\r\n" );
document.write( "not different colors and we cannot tell them apart.\r\n" );
document.write( "So we need to figure out how many times too many 10!\r\n" );
document.write( "counts the 10-letter words.  In each arrangement of \r\n" );
document.write( "letters there are 3! ways to rearrange the 3 Q's. So\r\n" );
document.write( "10! counts the arrangements 3! times too many, so \r\n" );
document.write( "the answer is .\r\n" );
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document.write( "Edwin

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