ANSWER
B. 512
EXPLANATION
The number of seats is 8³, which is the same as 8x8x8,
[tex]8\times8\times8=(8\times8)\times8[/tex]
8 times 8 is 64,
[tex](8\times8)\times8=64\times8[/tex]
Then multiply 64 by 8,
[tex]64\times8=512[/tex]
The number of seats in the theater is 512.
