Respuesta :

It is: c⁹d⁻⁷ / c¹⁴d⁻¹⁰
= c⁹⁻¹⁴ d⁻⁷⁺¹⁰
= c⁻⁵d³

In short, Your Answer would be c⁻⁵d³

Hope this helps!
c⁻⁵d³ which rewrites to d³/c⁵