Find the value of ${\left(-9\right)}^2$.

Find the value of ${\left(-7\right)}^2$.

Find the value of ${\left(-0.1\right)}^3$

Find the square root of $2540836$ by division method.

Find the square root of $26244$ by division method.

Find the square root of $361201$ by division method.

Find the square root of $6.6564$ by division method.

Find the square root of $32.8329$ by division method.

Find the square root of $0.005$, correct up to two places of decimal.