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     343 = 73

(343)^-1 = (7³)^(-1) = (7)^(-3)

Equation at the end of step  1  :

Step  2  :

          1      
 Divide  ——  by  3
         73      

Final result :

    1            
  ———— = 0.00097 
  1029