A deep-sea diver is 4.5 m below the water level. At what depth is he now? At what height is he now?

Answer 1

looks like 4.5 for depth, -4.5 for height

Answer 2

4.5m depth -4.5m height

Answer 3

4.5 m because depth meaning how much high or surface is and the mean sea level is zero level so depth will be 4.5 × 0 =4.5 and the height will also be 4.5 × 0= 4.5

Answer 4

4.5 deep -4.5 height