Respuesta :
Turn it into a fraction and then square it. this would give you -0.422
(-3/4)^3
= (-3)^3 / 4^3
= -27/64
if you need answer in decimal form, then equal -0.421875
= (-3)^3 / 4^3
= -27/64
if you need answer in decimal form, then equal -0.421875