padi IDC dive theory – Physics

Q6
The above container weighs 10,000 kg and is neutrally buoyant in Salt water, what is the volume of the water it displaces?
b.) 9,708 liters

Q7
The absolute pressure in 17 meters of Salt Water is:
a.) 1.7 ATA
b.) 2.7 ATA
c.) 2.75 ATA
d.) 3.0 ATA