Respuesta :

gmany

Answer:

[tex]\huge\boxed{D)\ -i}[/tex]

Step-by-step explanation:

We know:

[tex]i=\sqrt{-1}\to i^2=-1[/tex]

therefore

[tex]i^3=i\cdot i\cdot i=i^2\cdot i=-1\cdot i=-i[/tex]