1. Halley's Law states that the barometric pressure p(x) in inches of mercury at x miles above sea level is

given by:

p(x) = 29.92e-0.2x for x ≥ 0

Find the barometric pressure a) at sea level

b) 2 miles above sea level

c) atop mountain Annapurna (which is 26,545 feet above sea level).