The volume of a sphere is given by the formula:
V = (4/3) * π * r^3
where V is the volume, π is a mathematical constant approximately equal to 3.14, and r is the radius of the sphere.
In this case, the diameter of the globe is 7 centimeters, so the radius is half of that:
r = 7 / 2 = 3.5 cm
Substituting this value into the formula, we get:
V = (4/3) * π * (3.5 cm)^3
V = (4/3) * π * 42.875 cm^3
V ≈ 180.95 cm^3
Therefore, the closest volume of glass in the globe is approximately 180.95 cubic centimeters.