If 10,916 atoms of helium pass through a 4 square meter plate area every 1.70 hours, and if this flux is constant with time, compute the flux of helium in units of atoms per m^2 per second.
A) 1.87 × 10^13
B) 5.12 × 10^8
C) 6.40 × 10^6
D) 2.32 × 10^3
