Answer
$5^{12}$
Work Step by Step
We are given the expression $(5^{6})^{2}$.
To simplify, we can use the power rule, which holds that $(a^{m})^{n}=a^{m\times n}$ (where a is a real number, and m and n are integers).
$(5^{6})^{2}=5^{6\times2}=5^{12}$