13. A graduated cylinder has 20 ml (cm³) of water placed in
it. An irregularly shaped rock is then dropped in the
graduated cylinder and the volume of the rock and water
in the cylinder now reads 30 ml (cm³). The mass of the
rock dropped into the graduated cylinder is 23 grams.
a.) Find the volume of the rock dropped into the
graduated cylinder.
b.)
Find the density of the rock dropped into the
graduated cylinder.
Step 1: Write the Equation
Step 2: Substitute with units
Step 3: Solve with units to nearest 0.1