Find the surface area of a cube whose volume is `343 m^3` (ii) `216\ d m^3`

Explanation

To find the surface area of a cube given its volume, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the relationship between volume and side length of a cube**:
The volume \( V \) of a cube is given by the formula:
\[
V = a^3
...