§ Задание 300
\[\boxed{\mathbf{3.}\mathbf{300}}\]

\[\textbf{а)}\ t^{7}\]
\[\textbf{б)}\ r^{4}\]
\[\textbf{в)}\ a^{8}\]
\[\textbf{г)}\ h^{2}\ \]
\[\textbf{д)}\ c^{5}\]
\[\textbf{е)}\ a^{p}\]
\[\boxed{\mathbf{3.}\mathbf{300}}\]

\[\textbf{а)}\ t^{7}\]
\[\textbf{б)}\ r^{4}\]
\[\textbf{в)}\ a^{8}\]
\[\textbf{г)}\ h^{2}\ \]
\[\textbf{д)}\ c^{5}\]
\[\textbf{е)}\ a^{p}\]