Вычисли

1. \(\sqrt{6^2}=\) [ ].
2. \(\sqrt{(-6)^2}=\) [ ].
3. \(\sqrt{3^8}=\) [ ].
4. \(\sqrt{(-3)^6}=\) [ ].
5. \(\sqrt{(-3)^8}=\) [ ].
6. \(\sqrt{14^4}=\) [ ].