Solution - Power equations

Step  1  :

Equation at the end of step  1  :

Step  2  :

Equation at the end of step  2  :

Step  3  :

 3.1     4 = 22

(4)³ = (2²)³ = 2⁶

Equation at the end of step  3  :

Step  4  :

            32
 Simplify   ——
            23

Dividing exponents :

 4.1    2⁵   divided by   2³   = 2^{(5 - 3)} = 2²

Final result :

  4