\[\boxed{\mathbf{102\ (102).}\mathbf{\ }Еуроки\ - \ ДЗ\ без\ мороки}\]
\[1)\ 64 = 8^{2}\]
\[2)\ 64 = 4^{3}\]
\[3)\ 64 = 2^{6}\]
\[\boxed{\mathbf{102}.}\]
\[8 + 14t\]
\[1)\ t = 2:\]
\[8 + 14 \cdot 2 = 8 + 28 = 36\ км.\]
\[2)\ t = 3:\]
\[8 + 14 \cdot 3 = 8 + 42 = 50\ км.\]