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Sagot :

LEAFE

Bonjour,

3)

0,5 kg = 500 g

2 m³ = 2 x 10⁶ cm³

m = 500g

V = 2 x 10⁶ cm³

ρ = m / v = 500 /  2 x 10⁶ = 2,5 x 10⁻⁴ g/cm³

4)

40g = 0,04 kg

5L = 0,005 m³

ρ = m / v = 0,04 / 0,005 = 8 kg/m³

5) m = ρ x V = 40 x 15 = 600 g

6) V = m / ρ = 80 / 65 = 1,23 L

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