Вычисли и запиши ответы

1. \(3^0=\) [ ];
2. \(5,13^0=\) [ ];
3. \(\left(\cfrac{4}{5}\right)^0=\) [ ];
4. \((-5)^0=\) [ ];
5. \(\left(-\cfrac{4}{5}\right)^0=\) [ ].