Solution - Power equations

Step  1  :

 1.1     8 = 23

(8)³ = (2³)³ = 2⁹

Equation at the end of step  1  :

Step  2  :

            -8
 Simplify   ——
            29

Dividing exponents :

 2.1    2³   divided by   2⁹   = 2^{(3 - 9)} = 2^(-6) = ¹/_2⁶

Final result :

  -1            
  —— = -0.01562 
  64