Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-4" was replaced by "^(-4)".

Step  1  :

Equation at the end of step  1  :

Step  2  :

 2.1     16 = 24

(16)² = (2⁴)² = 2⁸

Equation at the end of step  2  :

Step  3  :

                  1
 Divide  28  by  ——
                 24

Multiplying exponents :

 3.1    2⁸  multiplied by  2⁴   = 2^{(8 + 4)} = 2¹²

Final result :

  212