Use DeMoivre's Theorem to Find the Indicated Power of the Following

Multiple Choice

Use DeMoivre's Theorem to find the indicated power of the following complex number. $$( 5 + 5 \sqrt { 3 } i ) ^ { 6 }$$

A) 1,953,125
B) 390,625
C) 78,125
D) 1,000,000
E) 3,125