document.write( "Question 617856: Evaluate P(12,3). \n" ); document.write( "
Algebra.Com's Answer #388588 by jim_thompson5910(35256)\"\" \"About 
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P(n,r) = (n!)/((n-r)!)\r
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\n" ); document.write( "\n" ); document.write( "P(12,3) = (12!)/((12-3)!)\r
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\n" ); document.write( "\n" ); document.write( "P(12,3) = (12!)/(9!)\r
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\n" ); document.write( "\n" ); document.write( "P(12,3) = (12*11*10*9!)/(9!)\r
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\n" ); document.write( "\n" ); document.write( "P(12,3) = 12*11*10\r
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\n" ); document.write( "\n" ); document.write( "P(12,3) = 1320
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