Simplify: (x³)⁴ A x⁷ B x¹² C x⁸¹ D 4x³ ✓ Correct Answer: Option B Power rule: (xⁿ)ᵐ = xⁿᵐ. (x³)⁴ = x¹². Practice ACT Exam Prep Quizzes → Browse All Questions Study Flashcards