Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-9" was replaced by "^(-9)".

Step  1  :

 1.1     10 = 2•5

(10)^-9 = (2•5)^(-9) = (2)^(-9) • (5)^(-9)

Equation at the end of step  1  :

  89 • ((2)(-9)•(5)(-9))

Step  2  :

Final result :

     89                                    
  ——————— = 8.90000 • 10-8 
  (29•59)