Answer:
4,320
Step-by-step explanation:
7 is closer to 10 then 0. 4,310 + 10 = 4,320
 
        
             
        
        
        
Answer:
Um sorry if its wrong but I think its that it gets bigger as you go on.
Step-by-step explanation: 
 
        
             
        
        
        
Answer:
There is no thousands place. It only goes up to a hundred
Step-by-step explanation:
You need another number after 4 to be able to round thousands
 
        
                    
             
        
        
        
Answer:
3
Step-by-step explanation: