Answer:
33493.3 cubic mm
Step-by-step explanation:
Tennis ball is in the shape of a sphere.
Diameter = 40 mm
radius = 40 ÷ 2 = 20 mm
[tex]\boxed{\bf Volume \ tennisball = \dfrac{4}{3}\pi r^3}[/tex]
[tex]\sf = \dfrac{4}{3}*3.14*20*20*20\\\\\\=\dfrac{100480}{3}= 33493.3 \ cubic \ mm[/tex]