Solution - Simplification or other simple results

Step  1  :

 1.1     10 = 2•5

(10)² = (2•5)² = 2² • 5²

Equation at the end of step  1  :

  120 • (22•52)

Step  2  :

Multiplying exponents :

 2.1    2³  multiplied by  2²   = 2^{(3 + 2)} = 2⁵

Multiplying exponents :

 2.2    5¹  multiplied by  5²   = 5^{(1 + 2)} = 5³

Final result :

  (25•3•53)