Answer:
we have given that 
 
we need to check for equality . 
 
we know that (-5)*(-5)*(-5)*(-5)=(5)^4 as we know that bases are same power are added up. 
 
if we have (-5)^4 we even power here so if we multiplied we wont negative in our answer . 
 
 is equivalent. 
 
both will have same value. 
 
 
Explanation: