A company consists of 5 senior and 3 junior staff officers. If a committee is created with 2 senior and 2 junior staff officers, in how many ways can the committee be formed? Choose the correct answer.
A) 12  B) 30  C) 45  D) 80  E) 200
Choose 2 senior from 5 senior and choose 2 junior from 3 junior:   5C2 * 3C2 = 10*3= 
<gadget id="calculator">10*3</gadget>
<output>30</output>
30   Ans: 30
<result>B</result>
A company consists of 5 senior and 3 junior staff officers. If a committee is created with 2 senior and 2 junior staff officers, in how many ways can the committee be formed?