Solution - Simplification or other simple results

Step  1  :

 1.1     10 = 2•5

(10)¹⁰ = (2•5)¹⁰ = 2¹⁰ • 5¹⁰

Equation at the end of step  1  :

  7 • (210•510)

Step  2  :

Final result :

  (7•210•510)