Answer:
300
Explanation:
15x20
Answer 888990,0 kg
d ≈ 7,6 g/cm³
d = m/V = 40g/5,27cm³ ≈ 7,6 g/cm³
V = l³ = (1.74cm)³ ≈ 5,27 cm³
No
b. melting
it is made of sediments and that is not necessary