Find the square root of $268.96$

Find the square root of $2$ correct up to two places of decimal.

Find the square root of $0.00009$ correct up to two places of decimal.

Find the square root of $6.481$ correct up to two places of decimal.

Find the square root of $70$ correct up to two places of decimal.

Find the square root of $8.34$ correct up to two places of decimal.

Find the square root of $87.383$ correct up to two places of decimal.

Find the square root of $4.721$ correct up to two places of decimal.

Find the value of ${73}^2$.