Solution - Power equations

Step  1  :

Equation at the end of step  1  :

Step  2  :

Equation at the end of step  2  :

Step  3  :

            57
 Simplify   ——
            53

Dividing exponents :

 3.1    5⁷   divided by   5³   = 5^{(7 - 3)} = 5⁴

Final result :

  625