Answer
$\dfrac{216}{15,625}$
Work Step by Step
RECALL:
(i) $\left(\dfrac{x}{y}\right)^n=\dfrac{x^n}{y^n}, y \ne 0$
(ii) $(xy)^m = x^my^m$
(iii) $(a^m)^n=a^{mn}$
Use the rules above to have:
$=\dfrac{6^3}{(5^2)^3}
\\=\dfrac{216}{5^{2(3)}}
\\=\dfrac{216}{5^6}
\\=\dfrac{216}{15,625}$
