Respuesta :

S9infinite
the answer for your problem is 1/64 :)

Hope this helps

heres my work 

8^(-5)/8^(-3) = 1/8^5 divided by 1/8^3 
1/8^5 divided by 1/8^3 = 1/8^5 times 8^3/1 = 8^3/8^5 
8^3/8^5 = 8^(3-5) = 8^(-2) 
8^(-2) = 1/8^2 
 1/8^2 simplifies to 1/64
8^ -5 ÷ 8 ^ -3
-5 - -3 = -2
the answer would be 8^-2