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1. Express cach of the quantities given below in SI units using scientific notation to three significant figures: Height of Empire state building is

1. Express cach of the quantities given below in SI units using scientific notation to three significant figures: Height of Empire state building is 1250 ft Density of the bacterium e-coli which can be modelled as a cylinder of length (1) (ii) 2 um, radius 0.5 um, and mass x1012g (iii) Speed of the earth around the sun

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