We can calculate for the volume by taking the ratio of mass and density, that is:
volume = mass / density
A. when mass = 5.5 kg = 5500 g; density = 1.60 g/cm^3
volume = 5500 g / (1.60 g/cm^3)
volume = 3,437.5 cm^3
Taking the significant digits:
volume = 3,400 cm^3 = 3.4 L
B. when mass = 4.9 kg = 4900 g; density = 1.36 g/cm^3
volume = 4900 g / (1.36 g/cm^3)
volume = 3,602.94 cm^3
Taking the significant digits:
volume = 3,600 cm^3 = 3.6 L