An astronaut is working outside the International Space Station where the atmospheric pressure is essentially zero. The pressure gauge on her air tank reads 2438781 Pa. What force does the air inside the tank exert on the flat end of the cylindrical tank, a disk 147 m in diameter?

P = F/A

F = P * A

P = 2438781 Pa
A = pi*r^2  where r = d/2 = 147m/2 = 73.5m
A = 3.14 * (73.5m)^2 = 16936 m^2

F = P*A = 2438781 Pa * 16936 m^2
F = 41369200623.765 = 4.13 * 10^10 N