Question 21 • Physical Science
A cube’s volume is its side length cubed: 4.1 × 4.1 × 4.1 = 68.921 cm³. Density is mass divided by volume, so 12.6 ÷ 68.921 ≈ 0.1828 g/cm³. Therefore, the density is choice D, 0.1828 g/cm³.
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