an open test tube at 293 k is filled at the

Question

An open test tube at 293 K is filled at the bottom with 24.2 cm of Hg, and 11.2 cm of water is placed above the Hg.  Calculate the pressure at the bottom of the test tube if the atmospheric pressure is 756 mmHg.  Use a density of 13.55 g/cm³ for mercury and 0.998 g/cm³
 for water.

Give the answer in terms of

(a) dyne/cm²

(b) psia, and

(c) kPa