Solution - Power equations

Step  1  :

Equation at the end of step  1  :

Step  2  :

Equation at the end of step  2  :

Step  3  :

             118
 Simplify   ————
            1110

Dividing exponents :

 3.1    11⁸   divided by   11¹⁰   = 11^{(8 - 10)} = 11^(-2) = ¹/_11²

Final result :

   1            
  ——— = 0.00826 
  121