Answer:
27 : 64
Step-by-step explanation:
(3/4)^8 : (3/4)^5
= (3/4)^(8-5) : (3/4)^(5-5)
= (3/4)^3 : 1
= (3^3)/(4^3) : 1
= 3^3 : 4^3
= 27 : 64
