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π * (radius^2) * height
First, we need to find the radius of the cylindrical water bottle.
Since the diameter is 2 inches, the radius is half of that:
radius = 2 / 2 = 1 inch
Now we can plug in the values:
Volume = 3.14 * (1^2) * 8
Volume = 3.14 * 1 * 8
Volume = 3.14 * 8
Volume = 25.12
Therefore, the volume of the water bottle is approximately 25.12 cubic inches.