document.write( "Question 1119745: Three of nine astronauts must be selected for a mission. One will be the captain, one will be the navigator, and one will perform scientific experiments. Assuming each of the nine astronauts can perform any of the tasks, in how many ways can a three-person crew be selected so that each person has a different assignment? \n" ); document.write( "
Algebra.Com's Answer #735353 by Shin123(626)\"\" \"About 
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There are \"9%2A8%2A7\" or 504 ways to choose a 3-person crew. \n" ); document.write( "
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