Solution - Power equations

Step  1  :

Equation at the end of step  1  :

Step  2  :

Equation at the end of step  2  :

Step  3  :

             35
 Simplify   ———
            310

Dividing exponents :

 3.1    3⁵   divided by   3¹⁰   = 3^{(5 - 10)} = 3^(-5) = ¹/_3⁵

Final result :

   1            
  ——— = 0.00412 
  243