Chapter 2 Matter Test

If you add a mass of 3.7 g to a mass of 9.495 g, the sum with the correct number of significant digits is. a) 13.2 g b) 13.20 g c) 13.19 g d) 13.195 g. Identify the figures below as either a pure substance (A) or a mixture (B). 32 33 34 35 ................
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