In an area just above Cusco during a Machu Picchu trek, the pressure decreased to 480 mmHg. Determine the pressure at this level in terms of Pascal (Pa).

• A. 1.0×10⁵ kPa
• B. 4.8×10⁴ Pa
• C. 6.4×10⁴ Pa
• D. 7.6×10⁴ Pa

Answer: (C)