Solution - Simplification or other simple results

Step  1  :

 1.1     125 = 53

(125)¹⁰ = (5³)¹⁰ = 5³⁰

Equation at the end of step  1  :

  530 • 5

Step  2  :

Multiplying exponents :

 2.1    5³⁰  multiplied by  5¹   = 5^{(30 + 1)} = 5³¹

Final result :

  531