Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-7" was replaced by "^(-7)".

Step  1  :

 1.1     10 = 2•5

(10)^-7 = (2•5)^(-7) = (2)^(-7) • (5)^(-7)

Equation at the end of step  1  :

  2489 • ((2)(-7)•(5)(-7))

Step  2  :

Final result :

    2489            
  ——————— = 0.00025 
  (27•57)