Answer:
21,300 
That's rounding with the nearest hundredth
because 321 is neasrest 300 than 400
thats why the answer is 
21,300
 
        
                    
             
        
        
        
7/12 u need to multiply 3*4 and u keep the numerator the same
        
             
        
        
        
Answer:
This answer of this question is Yes
 
        
                    
             
        
        
        
Answer:
55.56
Step-by-step explanation:
If its 5 or mor add one more if its four or less let it rest