Answer:
(c) 16/9·π²·r⁶
Step-by-step explanation:
The water displaced is equivalent to the volume of the sphere, given as
V = (4/3)π·r³
The product of two identical displaced volumes will be ...
V² = ((4/3)π·r³)² = (4/3)²·π²·r⁶
= 16/9·π²·r⁶ . . . . . . matches choice (c)
