Answer: 1.728 cubic meters
===================================
Work Shown:
100 cm = 1 m
1 cm = 1/100 m
1 cm = 0.01 m
120*1 cm = 120*0.01 m
120 cm = 1.20 m
-----
The side length of the cube is x = 1.20 meters
The volume of the cube is
V = (side length)^3
V = (x)^3
V = (1.20)^3
V = (1.20)*(1.20)*(1.20)
V = (1.44)*(1.20)
V = 1.728
The units are in cubic meters because
(meter)*(meter)*(meter) = (meter)^3 = cubic meters
