Solution - Power equations

Step  1  :

 1.1     216 = 23•33

(216)¹ = (2³•3³)¹ = 2³ • 3³

Equation at the end of step  1  :

Step  2  :

            (23•33)
 Simplify   ———————
               3   

Dividing exponents :

 2.1    3³   divided by   3¹   = 3^{(3 - 1)} = 3²

Final result :

  72