Respuesta :

Answer:  [tex]\bold{\dfrac{4}{81d^3}}[/tex]

Step-by-step explanation:

[tex](3d)^{-4}(4d)\\\\\\=\dfrac{4d}{(3d)^4}\\\\\\=\dfrac{4d}{3^4d^4}\\\\\\=\boxed{\dfrac{4}{81d^3}}[/tex]