CEMC Cayley, 2005

Algebra Difficulty 1.0 Junior Find the answer Canada

A teacher writes five different possible values for $(5^2 - 4^2)^3$ on the board and asks her class to decide which is correct. The correct value is

(A) $1$ (B) $8$ (C) $11\,529$ (D) $216$ (E) $729$

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