Answer:
28.3
Step-by-step explanation:
9x3.142=28.27800 and if you round that it is 28.3
 
        
             
        
        
        
Answer:
a the first one
Step-by-step explanation:
1/11 means 1 divided by 11
 
        
                    
             
        
        
        
1 is not. 2 is. 3 is not. 4 is. 5 is. 6 is. 7 is not. 8 is.
        
             
        
        
        
Answer is: C
√11 ≈ 3.3661 
Which the closest to your answers is 3.3