State the order of the surds given below.

$\sqrt{39}$

State the order of the surd $\sqrt[3]{18}$.

State whether the below number is surds. Justify.

$\sqrt[3]{51}$

State whether the below number is surds. Justify.

$\sqrt[4]{16}$

State whether $\sqrt[5]{81}$ is surds. Justify.

State whether the below number is surds. Justify.

$\sqrt{256}$

State whether the below number is surds. Justify.

$\sqrt[3]{64}$

State whether the below number is surds. Justify.

$\sqrt{\frac{22}{7}}$

Classify whether the given pair of surds are like surds or unlike surds.

$\sqrt{52}, 5\sqrt{13}$