Вычислите

\( \frac{\left(5⋅12\right)^9}{5^7{⋅12}^8}=\) [ ]
\( \frac{\left(7^3{⋅7}^5\right)^3}{\left({7^4⋅7}^7\right)^2}=\) [ ]
\( \frac{{54}^{14}}{\left(6^3\right)^4⋅9^{13}}=\) [ ]