Вычисли

а) \(\sqrt{9} = \) [ ];

б) \(\sqrt[3]{8} = \) [ ];

в) \(\sqrt[3]{-8} = \) [ ];

г) \(\sqrt[4]{16} = \) [ ];

д) \(\sqrt[5]{1} = \) [ ];

е) \(\sqrt{\dfrac{4}{9}} = \) [ ];

ж) \(\sqrt{2 \dfrac{1}{4}} = \) [ ];

з) \(\sqrt[3]{3 \dfrac{3}{8}} = \) [ ];

и) \(\sqrt[3]{- \dfrac{8}{27}} = \) [ ].