The value of square root 86 is between 9 and 9.5
        
             
        
        
        
Step-by-step explanation:
the process is shown in the picture.
 
        
             
        
        
        
Answer:
19.08
Step-by-step explanation:
just multiply and round to get 2 decimals 
 
        
             
        
        
        
Answer:
B
Step-by-step explanation:
Because of the exponent in x²