Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-15" was replaced by "^(-15)".

Step  1  :

 1.1     10 = 2•5

(10)^-15 = (2•5)^(-15) = (2)^(-15) • (5)^(-15)

Equation at the end of step  1  :

  1691 • ((2)(-15)•(5)(-15))

Step  2  :

Final result :

     1691                                     
  ————————— = 1.69100 • 10-12 
  (215•515)