Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  5z245 • z

Step  2  :

Multiplying exponential expressions :

 2.1    z²⁴⁵ multiplied by z¹ = z^{(245 + 1)} = z²⁴⁶

Final result :

  5z246