You are flying in an airplane on vacation. You have been told that there are
less molecules in a cubic meter of air the higher in altitude you go.
a. There are 1025 molecules in a cubic meter of air at sea level and 1023
molecules at an altitude of 33 km. How many more molecules are there at
sea level?
b. How many more molecules would there be if you went to an altitude of 50 km
where there are 1020 molecules?