pomocy potrzebuje na jutro zad3,4 dam 8 pkt działania

zad.3 m = 43,28g V = 106cm³ - 100cm³ = 6cm³ d = ? d = m/V = 43,28g / 6cm³ = 7,21g/cm³ zad.4 a = 2cm d = 8,93g/cm³ V = a³ = (2cm)³ = 8cm³ d = m/V ==> m = d*V = 8,93g/cm³ * 8cm³ = 71,44g