Find the square root of$$\frac{{\left( {0.064 - 0.008} \right)\left( {0.16 - 0.04} \right)}}{{\left( {0.016 + 0.08 + 0.04} \right){{\left( {0.4 + 0.2} \right)}^3}}}$$

• A. $\frac{2}{3}$$
• B. $\frac{1}{3}$$
• C.