\[\boxed{\mathbf{350\ (350).}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ \left( \frac{1}{3} \right)^{5} = \frac{1}{3^{5}} = \frac{1}{243}\]
\[2)\ \left( \frac{3}{7} \right)^{3} = \frac{3^{3}}{7^{3}} = \frac{27}{343}\]
\[3)\ \left( 1\frac{2}{5} \right)^{2} = \left( \frac{7}{5} \right)^{2} = \frac{7^{2}}{5^{2}} = \frac{49}{25} =\]
\[= 1\frac{24}{25}\]
\[4)\ \left( 3\frac{1}{4} \right)^{2} = \left( \frac{13}{4} \right)^{2} = \frac{13^{2}}{4^{2}} =\]
\[= \frac{169}{16} = 10\frac{9}{16}\]
\[\boxed{\mathbf{350.}\mathbf{\ }}\]
\[72 \cdot 1\frac{5}{12} = 72 \cdot \frac{17}{12} = 6 \cdot 17 =\]
\[= 102\ (км) - проедет\ \]
\[автомобиль\ за\ 1\frac{5}{12}\ ч.\]
\[Ответ:102\ км.\]