Solution - Simplification or other simple results

Step  1  :

 1.1     6 = 2•3

(6)² = (2•3)² = 2² • 3²

Equation at the end of step  1  :

  ((22•32) • 3) • 643

Step  2  :

Multiplying exponents :

 2.1    3²  multiplied by  3¹   = 3^{(2 + 1)} = 3³

Equation at the end of step  2  :

  (22•33) • 643

Step  3  :

Final result :

  (22•33•643)