\[\boxed{\mathbf{3.}\mathbf{325}}\]
Пояснение.
Решение.
\[\textbf{а)}\ 16^{2} = 256\ \]
\[\textbf{б)}\ 5^{3} = 125\]
\[\textbf{в)}\ 19^{2} = 361\]
\[\textbf{г)}\ 30^{3} = 27\ 000\]
\[\textbf{д)}\ 50^{2} = 2500\]
\[\textbf{е)}\ 100^{3} = 1\ 000\ 000\]