Environmental Studies 203 - Bates College

To give you an example, it only makes sense to add a weight of a few grams a weight expressed in metric tonnes (1000 kg, or 1 x 106 g) if the weight in tonnes was measured to the nearest gram. If it was measured only to the nearest kilogram, it would makes little sense to add just a few grams to that amount, since the measurement of the larger ... ................
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