Solution - Raising to a power

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-7" was replaced by "^(-7)".

(2): "7.1" was replaced by "(71/10)".

Step  1  :

            71
 Simplify   ——
            10

Equation at the end of step  1  :

   71
  (—— • 1)-7
   10

Step  2  :

 2.1     10 = 2•5 (10)^-7 = (2•5)^(-7) = (2)^(-7) • (5)^(-7)

Final result :

  1 • (27•57)
  ———————————
    1 • 717