question_answer

Simplify \[{{\left[ {{\left( \frac{2}{17} \right)}^{-6}}\div {{\left( \frac{2}{17} \right)}^{4}} \right]}^{4}}\times {{\left( \frac{2}{17} \right)}^{-18}}\] 

A)  \[{{\left( \frac{2}{17} \right)}^{-20}}\]        

B)         \[{{\left( \frac{17}{2} \right)}^{-20}}\]       

C)  \[{{\left( \frac{2}{17} \right)}^{-28}}\]             

D)         \[{{\left( \frac{17}{2} \right)}^{-28}}\]

E)  None of these