Answer:A
Step-by-step explanation:
 
        
             
        
        
        
Answer:
it is 512
Step-by-step explanation:
 
        
             
        
        
        
If they have the same charge 
x+x+x+x+x+x+x=-42
7x=-42
x=-6
so to check our answer
-6-6-6-6-6-6-6=-42
-12-12-12-6=-42
-24-18=-42
-42=-42
        
                    
             
        
        
        
Answer:(5/4,0)
Step-by-step explanation:
 
        
             
        
        
        
Answer:
Step-by-step explanation:
Answer: Raise 1000 to the power of 4
1000000000000