Solution - Power equations

Step  1  :

 1.1     4 = 22

(4)² = (2²)² = 2⁴

Equation at the end of step  1  :

Step  2  :

            -6
 Simplify   ——
            24

Dividing exponents :

 2.1    2¹   divided by   2⁴   = 2^{(1 - 4)} = 2^(-3) = ¹/_2³

Final result :

  -3            
  —— = -0.37500 
  8