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2. ubah satuan cm3 ke m3 ( 1cm3 = 10^-6 m3)
jadi,
8,9 gr/cm3 = 8,9 x 10^-3 kg / 10^-6 m3
= 8,9 x 10^3 Kg/m3
= 8900 Kg/m3
( 1 gram = 0,001 kg = 10^-3)
( 1 cm³ = 10^-6 m³)
Maka :
8,9 gr/cm³= (8,9 gr × 10^-3 )/ 10^-6
= 8,9 × 10^3
=8.900 kg/m³