Solution - Simplification or other simple results

Step  1  :

 1.1     10 = 2•5

(10)⁴ = (2•5)⁴ = 2⁴ • 5⁴

Equation at the end of step  1  :

  65 • (24•54)

Step  2  :

Multiplying exponents :

 2.1    5¹  multiplied by  5⁴   = 5^{(1 + 4)} = 5⁵

Final result :

  (55•13•24)