The density of aluminum is 2.7 g/cm3. Part A
What is its density in kilograms per cubic meter?
Express your answer in kilograms per cubic meter to two significant figures.

2700 kg/m³

Explanation:

First let's convert 2.7 g/cm³ to kg/cm³, keeping in mind that 1 kilogram equals 1000 grams:

Finally we need to convert 0.0027 kg/cm³ to kg/m³, keeping in mind that 1 meter equals 100 centimeters, as follows:

The answer is 2700 kg/m³.

they are made of gases.

they have a spherical shape.

they make energy through fusion.