Solution - Simplification or other simple results

Step  1  :

 1.1     10 = 2•5

(10)¹⁶ = (2•5)¹⁶ = 2¹⁶ • 5¹⁶

Equation at the end of step  1  :

  9 • (216•516)

Step  2  :

Final result :

  (32•216•516)