Evaluate the expression;
[tex]\begin{gathered} \frac{2^{-4}}{5^2} \\ =\frac{\frac{1}{2^4}}{5^2} \\ =\frac{\frac{1}{16}}{25} \\ =\frac{1}{16}\text{ / }\frac{25}{1} \\ =\frac{1}{16}\times\frac{1}{25} \\ =\frac{1}{400} \end{gathered}[/tex]The fifth option is the correct answer, that is 1/400