document.write( "Question 1183178: A sportswriter makes his pre-season picks for the top ten teams finish. If there are forty teams, how many different lists could there be? \n" ); document.write( "
Algebra.Com's Answer #813369 by greenestamps(13200)\"\" \"About 
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\n" ); document.write( "It's not clear from the statement of the problem whether the list is ordered 1st through 10th, or if it is an unordered list of the top 10 teams.

\n" ); document.write( "It is probably an ordered list, which means the problem is about permutations. In that case the number of possible different lists is

\n" ); document.write( "P(40,10) = 40*39*38*...*32*31 = (large number)

\n" ); document.write( "If the list is not ordered, then the problem is about combinations; in that case the number of possible different lists is

\n" ); document.write( "C(40,10) = (40*39*38*...*32*31)/(10*9*8*...*2*1) = 847660528

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