Solution - Simplification or other simple results

Step  1  :

 1.1     9 = 32

(9)²⁰ = (3²)²⁰ = 3⁴⁰

Equation at the end of step  1  :

  (910) • 340

Step  2  :

 2.1     9 = 32

(9)¹⁰ = (3²)¹⁰ = 3²⁰

Equation at the end of step  2  :

  320 • 340

Step  3  :

Multiplying exponents :

 3.1    3²⁰  multiplied by  3⁴⁰   = 3^{(20 + 40)} = 3⁶⁰

Final result :

  360