Question

See attachment.

Answer 1

this can be rewritten as

x^(15/3)

which equals

x^5

Answer 2

so is x^5 the answer?

Answer 3

Yes. \[\Large \sqrt[3]{{{x^{15}}}} = {({x^{15}})^{1/3}} = {x^{15 \cdot 1/3}} = {x^5}\]

Answer 4

kk THX ^_^