Solution - Raising to a power

Step  1  :

            a3
 Simplify   ——
            3 

Equation at the end of step  1  :

  a3
 (——)2
  3 

Step  2  :

 2.1    a³ raised to the 2 nd power = a^{( 3 * 2 )} = a⁶

Final result :

  a6
  ——
  32