document.write( "Question 116148: evaluate expression 5P0 \n" ); document.write( "
Algebra.Com's Answer #84447 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
Since order does matter, we must use the permutation formula:\r
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\n" ); document.write( "\n" ); document.write( "\"n%21%2F%28n-r%29%21\" Start with the given formula\r
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\n" ); document.write( "\n" ); document.write( "\"5%21%2F%285-0%29%21\" Plug in \"n=5\" and \"r=0\"\r
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\n" ); document.write( "\n" ); document.write( "\"5%21%2F5%21\" Subtract \"5-0\" to get 5\r
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\n" ); document.write( "\n" ); document.write( "Expand 5!
\n" ); document.write( "\"%285%2A4%2A3%2A2%2A1%29%2F5%21\"\r
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\n" ); document.write( "\n" ); document.write( "Expand 5!
\n" ); document.write( "\"%285%2A4%2A3%2A2%2A1%29%2F%285%2A4%2A3%2A2%2A1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28cross%285%2A4%2A3%2A2%2A1%29%29%2F%28cross%285%2A4%2A3%2A2%2A1%29%29\" Cancel like terms\r
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\n" ); document.write( "\n" ); document.write( "\"1\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So 5 choose 0 (where order does matter) yields 1 unique combination\r
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