Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-1" was replaced by "^(-1)".

Step  1  :

 1.1     729 = 36

(729)^-1 = (3⁶)^(-1) = (3)^(-6)

Equation at the end of step  1  :

Step  2  :

          1      
 Divide  ——  by  4
         36      

Final result :

    1            
  ———— = 0.00034 
  2916