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Math Asked by a SnapAndSolve user · about 2 hours ago

What is the density of the cube if the mass is 24g?

16. What is the density of the cube if the mass is 24g?
18. A metal ruler has a mass of 42g and a volume of 10cm3. What is the density?
20. Use the image below to find the density of a rock that has a mass of 60g.

Answer

  1. The volume of the cube is calculated as V = L × W × H = 2cm × 2cm × 2cm = 8cm³. The density is mass/volume = 24g/8cm³ = 3g/cm³.

  2. The density of the metal ruler is mass/volume = 42g/10cm³ = 4.2g/cm³.

  3. The volume of the rock can be found by the water displacement method. The initial water level is 50 mL, and the final level is 75 mL. The volume of the rock is 75 mL - 50 mL = 25 mL. The density is mass/volume = 60g/25mL = 2.4g/mL.

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