10. A capsule of medicine is in the shape of a sphere of diameter 3.5 mm. How much
medicine (in mmº) is needed to fill this capsule?
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Step-by-step explanation:
diameter of the sphere = 3.5 mm
radius of the sphere = 3.5 / 2 mm
volume of the sphere = 4/3πr^3
= 4/3 × 22/7 × 3.5/2 × 3.5/2 × 3.5/2
= 3773 / 168
= 22.45
therefore, 22.45 mm medicine neede to fill this capsule.
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