1).20 m/detik = …….. km/jam

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2).7000 gram/cm³ = ……..kg/m³
3).3 kg/m³ = …..…gram/cm³
JAWAB DENGAN BENAR
TERIMA KASIH

1).20 m/detik = …….. km/jam

1.1jam=3600dtk
20×3600=72000m/jam
1km=1000m
72000:1000=72km/jam
2.1mkubik=1000000cmkubik
7000×1000000=7000000000gram/m3
1kg=1000gram
7000000000:1000=7000000kg/m3
3.1mkubik=1000000cmkubik
3×1000000=3000000gram/mkubik
3000000:1000=3000gram/cmkubik

maaf klw salah