Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-10" was replaced by "^(-10)". 1 more similar replacement(s)

Step  1  :

Equation at the end of step  1  :

  (5-8) • (5)(-10)

Step  2  :

Equation at the end of step  2  :

  (5)(-8) • (5)(-10)

Step  3  :

Multiplying exponents :

 3.1    5⁸  multiplied by  5¹⁰   = 5^{(8 + 10)} = 5¹⁸

Final result :

   1                                    
  ——— = 2.62144 • 10-13 
  518