Based on the first and fourth sketches(Part C figure) , what is the density of the block?

Based on the first and fourth sketches(Part C figure) , what is the density of the block? First sketch shows mass of the block = 50g. Second sketch shows block completely immersed in water(at 20 degree Celsius), mass of block now = 5.6g and density of water = 0.99821g/cubic cm.