Final answer:
The volume of a sphere with a radius of 6 feet is 864 cubic feet when using 3 as an approximation for pi.
Step-by-step explanation:
To find the volume of a sphere, we can use the formula V = 4/3 πr³, where 'V' represents the volume, 'π' (pi) is a constant (approximately 3.14, but simplified to 3 as per the question), and 'r' is the radius of the sphere.
In this case, the radius (r) is given as 6 feet.
Plugging the values into the formula, we get:
V = (4/3) × 3 × (6³)
V = (4/3) × 3 × 216
V = (4/3) × 3 × 216
Now, simplifying:
V = 4 × 216
V = 864
The volume of the sphere is 864 cubic feet.