Solution - Power equations

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "^-3" was replaced by "^(-3)".

Step  1  :

Equation at the end of step  1  :

  (37) • (3)(-3)

Step  2  :

Equation at the end of step  2  :

  37 • (3)(-3)

Step  3  :

Dividing exponents :

 3.1    3⁷   divided by   3³   = 3^{(7 - 3)} = 3⁴

Final result :

  81