document.write( "Question 450505: Simplify the formula nPr when r= 0. Explain why this result makes sense.\r
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Algebra.Com's Answer #310179 by richard1234(7193)\"\" \"About 
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There is one way to choose zero people out of a group of n students where order matters (simply, do not choose anyone. This is similar to being able to choose zero condiments on a hamburger when you are offered n options). Here, nPr = 1 when r = 0. \n" ); document.write( "
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