Question

rewrite using only positive rational exponents
(x^2/5)^-5/7

Answer 1

(x^2/5)^(-5/7)


x^((2/5)(-5/7))


x^(-10/35)


x^(-2/7)


1/(x^(2/7))


So the answer is \[\LARGE \frac{1}{x^{\frac{2}{7}}}\]