document.write( "Question 530558: how many seven-letter patterns can be formed from the letters in the word lessons? \n" ); document.write( "
Algebra.Com's Answer #350152 by stanbon(75887)\"\" \"About 
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how many seven-letter patterns can be formed from the letters in the word lessons?
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\n" ); document.write( "Ans: 7!/(3!) = 7*6*5*4 = 42*20 = 840
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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