The density of air is 1.2 kg/m3. It can be expressed in g/cm3 by:
Correct answer: D. 1.2 x 10^-3
- A. 1.2 x 10^6
- B. 1.2 x 10^3
- C. 1.2 x 10^-6
- D. 1.2 x 10^-3
Explanation
To convert kg to g we will multiply by 1000. To convert cm to m we divide by 100 so, to convert cm3 to m3 we will divide by 1003 = 1000000.1.2 x 1000 = 12001200 / 1000000 = 0.0012 0.0012 = 1.2 x 10-3
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