Solution - Power equations

Step  1  :

Equation at the end of step  1  :

Step  2  :

Equation at the end of step  2  :

Step  3  :

            76
 Simplify   ——
            73

Dividing exponents :

 3.1    7⁶   divided by   7³   = 7^{(6 - 3)} = 7³

Final result :

  343