$$ \sqrt{0.00004761} $$   equal to

Find the value of   $$ {(0.75)^3\over1-.75}+[0.75+(0.75)^2+1]$$

On simplification of   $$ {(2.664)^2-(2.356)^2\over0.288}$$

Assume that
$$\sqrt{3} = 3.605 \ (approximately)  $$
$$\sqrt{130} = 11.40 \ (approximately)  $$
Find the value of
$$\sqrt{1.3} + \sqrt{1300}+\sqrt{0.013}  $$

1-[5-{2+(-5+6-2)2}] is equal to 

Simplify : $$ {5\over3}×{7\over51}\ of \ {17\over5}-{1\over3}\over {2\over9}×{5\over7}\ of \ {28\over5}-{2\over3}  $$

5-[4-{3-(3-3-6)}] is equal to:

Evaluate: $$ {9।3-5।-5।-5।4।÷10\over-3(5)-2×4÷2}$$