Answer:
3150 is right answer...... 
 
        
             
        
        
        
Because there are four people on the committee, and four positions, you would do 4 times 4 which gets you an answer of 16. hope this helps!!
        
                    
             
        
        
        
This is what I got use photo math
 
        
             
        
        
        
You decide if it has a pattern if it is a repeating pattern then it is a rational number decimal however if it a decimal with no pattern it is irrational