Consider the downward from force of air on a horizontal piece of cardboard $1$m$2.$

If the downward force is $1\mathrm{.}0\mathrm{*1}0\mathrm{⁵}$ Pa $1$ m$2=1\mathrm{.}0\mathrm{*1}0\mathrm{⁵}$ N$,$ what is the total mass of the air above the piece of cardboard?

 

 Take g $=9\mathrm{.}8$ m$2$