Answer:
2/cm
Step-by-step explanation:
The surface area formula for a cube of side s is A = 6s^2. The volume formula is V = s^3.
Therefore, the surface area-to-volume ratio is
6s^2 6
------- = -------
s^3 s
6 2
and if s = 3 cm, this ratio becomes --------- = ------
3 cm cm
