Answer:
just a
Step-by-step explanation:
because if you do anything times by zero, it is zero.
 
        
                    
             
        
        
        
Step-by-step explanation:
5×16+4×9=116
(4+6×2)-12=4
 
        
             
        
        
        
Answer:

Step-by-step explanation:
We have
 this equals to
 this equals to
 now we try to agrupate to have exponent of 2 that we can cancel
  now we try to agrupate to have exponent of 2 that we can cancel
 we can take out the ones with exponent from the root
  we can take out the ones with exponent from the root

 
        
             
        
        
        
Answer: The answer should be the 2nd one 
Step-by-step explanation: