There are 20 students in a class. In how many different ways can a committee of 3 students be formed?	Pick: A) 650 B) 730 C) 980 D) 1140 E) 1480
20C3 = 20*19*18 / 6= 
<gadget id="calculator">20*19*18 / 6</gadget>
<output>1_140</output>
1140   The answer is 1140.
<result>D</result>
There are 20 students in a class. In how many different ways can a committee of 3 students be formed?