Question 1148431
.
<pre>

From the given part,


{{{1/16}}} = {{{a^2}}}. 


It gives the <U>ANSWER</U>  a = {{{sqrt(1/16)}}} = {{{1/4}}}.


Notice that the base of the exponential function must be positive real number;

therefore, of the two values of  {{{sqrt(1/16)}}} = +/- {{{1/4}}}  I chose the positive value in my answer.
</pre>

Solved.