Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-2" was replaced by "^(-2)".

Step  1  :

 1.1     100 = 22•52

(100)^-2 = (2²•5²)^(-2) = (2)^(-4) • (5)^(-4)

Final result :

     1              
  ——————— = 0.00010 
  (24•54)