Solution - Simplification or other simple results

Step  1  :

 1.1     10 = 2•5

(10)⁶ = (2•5)⁶ = 2⁶ • 5⁶

Equation at the end of step  1  :

  68 • (26•56)

Step  2  :

Multiplying exponents :

 2.1    2²  multiplied by  2⁶   = 2^{(2 + 6)} = 2⁸

Final result :

  (28•17•56)