Find the square root of the following number in decimal form:

$0.00059049$

Find the square root of $176.252176$ in decimal form.

Find the square root of the following number in decimal form:
$9998.0001$

Find the square root of $0.00038809$ in decimal form.

Find the number which when multiplied by itself gives $227.798649$

The area of a square playground is $256.6404$ square metres. If the length of one side of the playground is $k \mathrm{m}$, find the value of $k$

Find a number which when multiplied by itself gives $0.00053361$.

Simplify: $\frac{\sqrt{59.29}-\sqrt{5.29}}{\sqrt{59.29}+\sqrt{5.29}}$

Simplify:
$\frac{\sqrt{0.2304}+\sqrt{0.1764}}{\sqrt{0.2304}-\sqrt{0.1764}}$