document.write( "Question 427890: how many ways can you stack 12 books in a single stack?
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Algebra.Com's Answer #297500 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
how many ways can you stack 12 books in a single stack?\r
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\n" ); document.write( "Ans: 12! = 479,001,600
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