document.write( "Question 479413: 45. A national pollster has developed 15 questions designed to rate the performance of the
\n" ); document.write( "president of the United States. The pollster will select 10 of these questions. How many
\n" ); document.write( "different arrangements are there for the order of the 10 selected questions?
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Algebra.Com's Answer #328503 by edjones(8007)\"\" \"About 
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Since arrangements are required this is a permutation.
\n" ); document.write( "nPr=15P10=15!/(15-10)!
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