A company consists of 10 senior and 10 junior staff officers. If a committee is created with 3 senior and 2 junior staff officers, in how many ways can the committee be formed?
Answers:
A) 4500
B) 3500
C) 4800
D) 5400
E) 2400
Choose 3 senior from 10 senior and choose 2 junior from 10 junior:   10C3 * 10C2 = 120*45= 
<gadget id="calculator">120*45</gadget>
<output>5_400</output>
5400   Ans: 5400
<result>D</result>
A company consists of 10 senior and 10 junior staff officers. If a committee is created with 3 senior and 2 junior staff officers, in how many ways can the committee be formed?