a ball was made up of copper and it has a volume of 230 gram cm3. find its mass (density of copper is 8.9g/cm3
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Answer :
2 KG
Explanation:
Simply use the unitary method .
8.9 g of copper = 1 cm^3
8.9 * 230g of copper = 230 * 1 cm^3 ( Multiplying 230 on both side )
2047 g of copper = 230 cm^3
Hence , mass of ball is 2047 g = 2.047 KG = 2 KG approx .
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