Question

(2/5)^3

Answer 1

\( \left(\dfrac{a}{b}\right)^n = \dfrac{a^n}{b^n}\)

Example:
\( \left(\dfrac{3}{7}\right)^2 = \dfrac{3^2}{7^2} = \dfrac{9}{49} \)

Now follow the rule and the example, and try to do the same to your problem.