Explain the relationship between mass and volume and density and if it will float or sink in water. If the mass of an object is greater than the volume the density...

If the mass of the object is less than the volume the density ..

1. 0.3 •4 is the same as 4 groups of 0.32. 7•0.8 is the same as 7 groups of 0.83. it increases by 0.5 every time, so 0.5x4 it increases by 0.9 every time, so 0.9x5. 0.9•12=10.86. 0.47•5=2.35i can finish the next ones in a separate post