Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-20" was replaced by "^(-20)".

Step  1  :

 1.1     10 = 2•5

(10)^-20 = (2•5)^(-20) = (2)^(-20) • (5)^(-20)

Equation at the end of step  1  :

  1 • ((2)(-20)•(5)(-20))

Step  2  :

Final result :

      1                                        
  ————————— = 10.00000 • 10-21 
  (220•520)