Final answer:
The volume of a cylinder is calculated using the formula V = πr²h, but without the height provided, the volume cannot be determined. If the height were known, the formula would provide a precise volume in cubic units.
Step-by-step explanation:
To determine the volume of a cylinder with a given radius, you can use the formula for the volume of a cylinder, which is V = πr²h. However, the question has not provided the height of the cylinder which is essential to calculate its volume. Without the height, we cannot compute the volume. If the height were provided, you would simply square the radius, multiply by pi (π approximated as 3.142), and then multiply by the height to get the volume in cubic units. For example, if the height were given as 5 cm, then the volume would be 3.142 multiplied by 3 cm squared (which is 9 cm²) multiplied by the height (5 cm), giving 141.3 cm³.