Question 70109
     {{{s^(-1/4)=81}}}. what does s equal?

Raise both sides to the reciprocal of {{{-1/4}}} power,
that is, raise both sides to the {{{-4}}} power

     {{{(s^(-1/4))^(-4)=81^(-4)}}}

Multiply exponents on the left, Simplfy the right side

     {{{s^1=1/81^4}}}

      {{{s=1/43046721}}}

Edwin