Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

   1
  {—}2^8
   4

Step  2  :

            1
 Simplify   —
            4

Equation at the end of step  2  :

  1
 (—)2^8
  4

Step  3  :

 3.1     4 = 2² (4)²⁵⁶ = (2²)²⁵⁶ = 2⁵¹²

Final result :

    1                                     
  ———— = 7.45834 • 10-155 
  2512