question_answer

If\[\sqrt{5}=2.236\], find the value of\[4\left[ \sqrt{320}-\frac{1}{2}\sqrt{80}-\sqrt{125} \right]\]correct to 3 places of decimal.

A)  6.944              

B)  8.944

C)  5.972              

D)  4.948

E)  None of these