Solution - Simplification or other simple results

Step  1  :

Equation at the end of step  1  :

  (2 • (104)) -  73

Step  2  :

 2.1     10 = 2•5

(10)⁴ = (2•5)⁴ = 2⁴ • 5⁴

Equation at the end of step  2  :

  (2 • (24•54)) -  73

Step  3  :

Multiplying exponents :

 3.1    2¹  multiplied by  2⁴   = 2^{(1 + 4)} = 2⁵

Equation at the end of step  3  :

  (25•54) -  73

Step  4  :

Final result :

  2 - 343