Solution - Power equations

Step  1  :

 1.1     729 = 36

(729)¹ = (3⁶)¹ = 3⁶

Equation at the end of step  1  :

Step  2  :

            36
 Simplify   ——
            3 

Dividing exponents :

 2.1    3⁶   divided by   3¹   = 3^{(6 - 1)} = 3⁵

Final result :

  243