document.write( "Question 1135577: How many seven-letter code words can be formed using a standard 26 alphabet if repetition is allowed? And if repetition is not allowed? \n" ); document.write( "
Algebra.Com's Answer #753209 by ikleyn(52809)\"\" \"About 
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document.write( "There are 26 independent opportunities for each of the 7 positions,\r\n" );
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document.write( "so the total number of 7-letter codes is  \"26%5E7\" = 8031810176.   ANSWER\r\n" );
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