Вычисли

1. \(\sqrt[3]{2}\sqrt[3]{4}=\) [ ];
2. \(\sqrt[7]{12^75^7}=\) [ ];
3. \(\sqrt[5]{2^{15}3^{10}}=\) [ ];
4. \(\sqrt[4]{64}:\sqrt[4]{4}=\) [ ];
5. \(\dfrac{\sqrt[5]{160}}{\sqrt[5]{5}}=\) [ ].