Solution - Power equations

Step  1  :

Equation at the end of step  1  :

Step  2  :

Equation at the end of step  2  :

Step  3  :

            5723
 Simplify   ————
            5721

Dividing exponents :

 3.1    5⁷²³   divided by   5⁷²¹   = 5^{(723 - 721)} = 5²

Final result :

  25