Q: Write 0.00000052 and 6,200,000,000 in scientific notation. Multiply (2 × 10³)(3 × 10⁴). Step 1: 0.00000052 = 5.2 × 10⁻⁷ (point moved 7 left). Step 2: 6,200,000,000 = 6.2 × 10⁹. Step 3: (2 × 10³)(3 × 10⁴) = 6 × 10⁷.