Answer:
The required expression is
unitsĀ³.
Explanation:
Consider the provided information.
The Volume square base pyramid is:

Where a is the edge length and h is the height of the pyramid.
It is given that length of the side is s units and height of the pyramid is h unit.
Substitute the respective values in the formula above
The Volume square base pyramid is:

Hence the required expression is
unitsĀ³.