SOLUTION: A set has 10 elements. How many i5f its 1024 distinct subsets have 3 elements each?

Algebra ->  Permutations -> SOLUTION: A set has 10 elements. How many i5f its 1024 distinct subsets have 3 elements each?      Log On


   

Question 1031970: A set has 10 elements. How many i5f its 1024 distinct subsets have 3 elements each?
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
): A set has 10 elements. How many of its 1024 distinct subsets have 3 elements each?
------
Ans:: 10C3 = (10*9*8)/(1*2*3) = 5*3*8 = 3*40 = 120
------------------
Cheers,
Stan H.
----------------