Respuesta :
whoops lol. The answer is 8b³ / c³. Screwed up my work :/
(2b/c)³
= (2bc⁻¹)³
= (2)³ * (b)³ * (c⁻¹)³
= 8b³c⁻³
= 8b³ / c⁻³
(2b/c)³
= (2bc⁻¹)³
= (2)³ * (b)³ * (c⁻¹)³
= 8b³c⁻³
= 8b³ / c⁻³