document.write( "Question 275509: There are 6 people running the 100 meter dash. How many different orders can the runners finish? \n" ); document.write( "
Algebra.Com's Answer #200928 by Theo(13342)\"\" \"About 
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6! = 6*5*4*3*2*1 = 720 possible ways.\r
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\n" ); document.write( "\n" ); document.write( "assume it was only 3 people.\r
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\n" ); document.write( "\n" ); document.write( "that would be 3! = 3*2*1 = 6\r
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\n" ); document.write( "\n" ); document.write( "let the people be abc.\r
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\n" ); document.write( "\n" ); document.write( "order of finish possible would be:\r
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\n" ); document.write( "\n" ); document.write( "abc
\n" ); document.write( "acb
\n" ); document.write( "bac
\n" ); document.write( "bca
\n" ); document.write( "cab
\n" ); document.write( "cba\r
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\n" ); document.write( "\n" ); document.write( "this is called a permutation because order is important.\r
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\n" ); document.write( "\n" ); document.write( "assume it was 4 people.\r
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\n" ); document.write( "\n" ); document.write( "number of ways would be 4! = 4*3*2*1 = 24\r
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\n" ); document.write( "\n" ); document.write( "possible ways get a lot bigger after 4.\r
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\n" ); document.write( "\n" ); document.write( "assume the people were abcd\r
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\n" ); document.write( "\n" ); document.write( "possible ways would be:\r
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\n" ); document.write( "\n" ); document.write( "abcd
\n" ); document.write( "abdc
\n" ); document.write( "acbd
\n" ); document.write( "acdb
\n" ); document.write( "adbc
\n" ); document.write( "adcb
\n" ); document.write( "bacd
\n" ); document.write( "badc
\n" ); document.write( "bcad
\n" ); document.write( "bcda
\n" ); document.write( "bdac
\n" ); document.write( "bdca
\n" ); document.write( "cabd
\n" ); document.write( "cadb
\n" ); document.write( "cbad
\n" ); document.write( "cbda
\n" ); document.write( "cdab
\n" ); document.write( "cdba
\n" ); document.write( "dabc
\n" ); document.write( "dacb
\n" ); document.write( "dbac
\n" ); document.write( "dbca
\n" ); document.write( "dcab
\n" ); document.write( "dcba\r
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