Solution - Simplification or other simple results

Step  1  :

 1.1     10 = 2•5

(10)²¹ = (2•5)²¹ = 2²¹ • 5²¹

Equation at the end of step  1  :

  602 • (221•521)

Step  2  :

Multiplying exponents :

 2.1    2¹  multiplied by  2²¹   = 2^{(1 + 21)} = 2²²

Final result :

  (222•7•43•521)