# What is the density of a block that has the dimensions of 2.5 cm, 3.2 cm, and 5.4 cm, and a mass of 6.38 g?

##### 1 Answer

Jan 18, 2016

#### Answer:

Density is simply mass per unit volume, which has the dimensions

#### Explanation:

So we take the mass (in grams) and divide by the volume, which is the product of the linear dimensions:

Now even if I get the arithmetic wrong, I certainly have the right units for density. Would this block float on water? Why or why not?