Simplify: (2×10³)(3×10⁴) A 5×10⁷ B 6×10⁷ C 6×10¹² D 5×10¹² ✓ Correct Answer: Option B (2×3) × 10^(3+4) = 6 × 10⁷. Practice PCAT Exam Prep Quizzes → Browse All Questions Study Flashcards