252.828911927301718279402738
        
                    
             
        
        
        
Answer:
4 1/2. Root 18 simplifies to 4.242640687, which is less than 4.50
 
        
                    
             
        
        
        
Answer:
301.59
Step-by-step explanation:
your answer was almost right you just forgot to multiply by 9
 
        
             
        
        
        
= 3a^2b(cuberoot(b^2)) - 3a^2b^3(square root(3a))
answer is the first choice
        
             
        
        
        
................................................................................................