Solution - Simplification or other simple results

Reformatting the input :

Changes made to your input should not affect the solution:

 (1): "n2"   was replaced by   "n^2". 

Step  1  :

Multiplying exponential expressions :

 1.1    n²⁹ multiplied by n²⁰ = n^{(29 + 20)} = n⁴⁹

Final result :

  n49