Solution - Power equations

Step  1  :

Equation at the end of step  1  :

  
 Step  2  :

Equation at the end of step  2  :

Step  3  :

Equation at the end of step  3  :

  
 Step  4  :
            510
 Simplify   ———
            512

Dividing exponents :

 4.1    5¹⁰   divided by   5¹²   = 5^{(10 - 12)} = 5^(-2) = ¹/_5²

Final result :

   1           
  —— = 0.04000 
  25