Calculate: ((y^2)/(x^a))^5

Expression: ${\left( \frac{ {y}^{2} }{ {x}^{a} } \right)}^{5}$

$\frac{ {\left( {y}^{2} \right)}^{5} }{ {\left( {x}^{a} \right)}^{5} }$

$\frac{ {y}^{10} }{ {\left( {x}^{a} \right)}^{5} }$

$\frac{ {y}^{10} }{ {x}^{5a} }$