Interpret basic exponential functions

**What is the initial value $a$ of the exponential function $g(x)=\dfrac{1}{25}\cdot\left(\dfrac{5}{6}\right)^x\ $**? $a=$ [[☃ numeric-input 1]] **For which value of $x$ does $g(x)=\dfrac{1}{36}\ $**? $x=$ [[☃ numeric-input 2]]