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450 milligrams = 0.45 grams.
450 grams.
i think that there are 450,000 grams
0.45 kilograms 1 kg = 1000 grams = 450 grams * 1 kg/1000 grams = 0.45 kg
1/10 of 450 grams = 450 x 1/10 = 450/10 = 45 grams