Find the square root of the following using long division method.

$193600$

Find the square root of the following using long division method.

$3481$

$99856$

Find the square root of the following using long division method.

$998001$

Find the square root of the following using long division method.

$9409$

Find the square root of the following using long division method.

$11449$

Find the square root of the following using long division method.

$11881$

 Simplify: $\sqrt{196}+\sqrt{0.0064}-\sqrt{100}$

Simplify: $\sqrt{{20}^2-{16}^2}$