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Mathematics 13 Online
OpenStudy (anonymous):

The mass of a sample of sodium bicarbonate is 2.1 kilograms (kg). There are 1,000 grams (g) in 1 kg, and 1 mc020-1.jpg 109 nanograms (ng) in 1 g. What is the mass of this sample in ng? 2.1 mc020-2.jpg 103 ng 2.1 mc020-3.jpg 106 ng 2.1 mc020-4.jpg 109 ng 2.1 mc020-5.jpg 1012 ng

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