We have: Work done = ForceΒ Γ Displacement
Here, Force = 300 N
Displacement = 120 m
Substitute their values into the formula:
W = 300Β Γ 120Β
W = 36000
In scientific notation, it would be: 3.6Β Γ 10β΄
Finally, option C would be your correct answer.
Hope this helps!