Question

i need the answer to both of these if anybody has the time to help:)

Answer 1

Answer:$c^{\frac{7}{9}}$

Explanations:

Note that:

$\sqrt[a]{c^b}=c^{\frac{b}{a}}$

Therefore, following the rule above:

$\sqrt[9]{c^7}=c^{\frac{7}{9}}$