Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-5" was replaced by "^(-5)". 1 more similar replacement(s)

Step  1  :

 1.1     8 = 23

(8)^-2 = (2³)^(-2) = (2)^(-6)

Equation at the end of step  1  :

  (2)(-6)-5

Step  2  :

Final result :

  230                                 
  ——— = 1.07374 • 109 
   1