If the atmospheric pressure is 0.960 atm, what is the pressure of the enclosed gas in each of the three cases depicted in the drawing if the liquid is mercury? Express your answers using two significant figures.

1. There is an open end. The enclosed gas is 52 cm above the mercury.

2. There is an open end. The enclosed gas is 67 mm below the mercury.

3. There is a closed end. The enclosed gas is 10.3 cm below the mercury.

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