# Question #14da6

##### 1 Answer

#### Answer:

#### Explanation:

The volume of a cylinder is represented by the equation

Which, if you might notice, is simply the equation for the area of a circle,

The diameter is equal to

The volume of the cylinder is thus

The equation for density is

Density is equal to the mass of the substance per unit volume.

Density is often expressed in units of

So our density is, in