Solution - Power equations

Step  1  :

Equation at the end of step  1  :

  (79)
  ———— • 79
  (72)

Step  2  :

Equation at the end of step  2  :

  (79)
  ———— • 79
   72 

Step  3  :

Equation at the end of step  3  :

  79
  —— • 79
  72

Step  4  :

            79
 Simplify   ——
            72

Dividing exponents :

 4.1    7⁹   divided by   7²   = 7^{(9 - 2)} = 7⁷

Equation at the end of step  4  :

  77 • 79

Step  5  :

Multiplying exponents :

 5.1    7⁷  multiplied by  7⁹   = 7^{(7 + 9)} = 7¹⁶

Final result :

  716