Answer:
a. 0.33 g/mL
Explanation:
We already know what the mass is (9 grams) so we have to find the volume of the cube next.
Volume = lwh
=(3)(3(3)
= 27
To find density, you have to find mass/volume
density = mass /volume
density = 9 g /27 mL (cm 3 and mL are basically the same thing)
= 0.33 g/mL
