Question

how many ways can the 11 runners finsh first, second, and third

Answer 1

So you have 3 positions to fulfill. Therefore you have 11 choices for the first spot, 10 for the second, 9 for the third. So 11*10*9.

Answer 2

this is a combination problem, do you know combination and factorials?

Answer 3

no?

Answer 4

ok, well your going to know hat combination, factorials, and permutations are to figure out this problem

Answer 5

here's a good website to learn the material :
http://www.omegamath.com/Data/d2.2.html

it really helps!

Answer 6

thanks

Answer 7

No problem :))