In which of the following pairs do both numbers contain the same number of significant figures?a. 0.068 90 m3 and 6.89 m3b. 0.420 00 kg and 42 kgc. 10 m/s and 100 m/sd. 3.14 L and 3.14 * 10-3 L

An irregular-shaped solid was placed into a graduated cylinder containing 50.2 mL of water.The volume rose to 55.4 mL. a.  Calculate the volume of the solid. mL b.  If the solid weighed 39.52 g, calculate its density. g/mL   The following dimensions were measured for a cube: L=2.05 cm, W=2.00 cm, H=1.95 cm. a.  Calculate the volume of the cube using correct significant figures   cm3 b.  The mass of the cube was measured to be 71.16 g.Determine the density of the cube.  g/cm3   Ice floats on water. What can be said about the density of ice compared to that of liquid water?         A. The melting ice pushes the denser than water ice to the surface.   B. Since ice and water are made up of the same compound, they have the same density.   C. Since water is warmer and heat rises, it lifts up the denser ice.   D. The water must be denser than the ice.   E. Ice is more dense than water.

A metal cube has an edge length of 0.54 in and a mass of 23.0g. What Is the density of the metal in g/mL? a.

Lof 2. An irregular shaped piece of lead metal is found to weigh 73.4g. It is placed in a graduated cylinder that contains some water. The water in the cylinder was at a level of 16.3ml before the lead metal was added and at 22.8mL afterward. What is the density of the piece of lead metal? 6tha liguid if a