Respuesta :

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