Answer:
Explanation:
The density of a substance can be found by using the formula
[tex]density = \frac{mass}{volume} \\[/tex]
From the question
mass = 21 g
volume = 7 cm³
We have
[tex]density = \frac{21}{7} = 3 \\ [/tex]
We have the final answer as
Hope this helps you
Answer:
3g/cm3
Explanation:
The density equation is M over V so you divide the mass by the volume. You do 21 divided by 7 and you get 3