pls answer I'll mark brainliest the question is in the picture also please explain how you solved

Answer:
D) 36π[tex]a^6b^9[/tex]
Step-by-step explanation:
Volume of a sphere:
V = 4/3πr³
Given:
r = 3a²b³
Work:
V = 4/3πr³
V = 4/3π(3a²b³)³
V = 4/3π(27[tex]a^6b^9[/tex])
V = 36π[tex]a^6b^9[/tex]