Answer:
   B)  -125a^11
Step-by-step explanation:
(-5a^2)^3·a^5 = (-5)^3·a^6·a^5
   = (-5)^3·a^(2·3)·a^5
   = (-5)^3·a^6·a^5
   = -125·a^(6+5)
   = -125·a^11 . . . . matches choice B
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The applicable rules of exponents are ...
   (a^b)(a^c) = a^(b+c)
   (a^b)^c = a^(bc)
 
        
                    
             
        
        
        
Answer:
it's 8
Step-by-step explanation:
 just get 72 and divide it by 9 and that's the average over the 9 years.
 
        
             
        
        
        
ANSWER
x=2
EXPLANATION 
I’m smart don’t worry