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A cube of aluminum measures 3 cm on each side and weighs 81 g. What is its density? (hint: find the volume of the block first).
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16 votes
16 votes
A cube of aluminum measures 3 cm on each side and weighs 81 g. What is its density? (hint: find the volume of the block first).

User Lucas Cerro
by
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1 Answer

18 votes
18 votes

Answer:

3 grams per cubic centimeter.

Step-by-step explanation:

density = mass ÷ volume.

d = m ÷ v.

m=81 g.

volume = length × width × height.

volume = 3 cm × 3 cm × 3 cm = 27 cubic centimeters.

v = 27 cubic centimeters.

d = 81 ÷ 27

density = 3 grams per cubic centimeter.

User Andy McKibbin
by
2.9k points
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