22.88 what is the number rounded to the nearest tenth

Geometry answer picture question pls . reason and statements

The ratio pv to nrt is plotted against pressure for ch4 at 0°c and 200°c. why does the curve for 0°c drop below the horizontal line for an ideal gas whereas the curve for 200°c does not?

How long does it take natsumi to clean up after she is done? table: .area time30. 245. 2.7560. 3.5