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A cube has length of 7 cm a width of 8 cm and a height of 2 cm. What is its volume?
If the cube has a mass of 50 grams, what is its density?​

Sagot :

DragonPup315

Answer:

Volume = 112cm^2

Density = 0.45 g/cm^2 (2.s.f)

Explanation:

Volume of a cube is found by multiplying its height by its length by its width.

We are given the values: l = 7cm, w = 8cm, h = 2cm, so to find the volume we just need to multiply them all together:

V=lwh

V = (7)(8)(2)

The volume of the cube = 112cm^2

Density is found by dividing mass by volume.

We are given the mass (50 grams) and we have just found the Volume (112cm^2), so we can just divide them to find the density:

p (symbol for density) = m/v

p = (50)(112)

The density of the cube is 0.45 g/cm^2 (2.s.f.)

Hope this helped!

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