The point of this questions is to practice the concept of precision and the number of significant
figure to quote. Questions are taken from the course book 'Physics with modern physics',
Richard Wolfson & J. M. Pasachoff, pp 18-20.
Question: A carbon dioxide molecule contains a carbon atom and two oxygen atoms.
Calculate its mass in (a) atomic mass units (b) kilograms. (Amu of carbon = 14, Amu of
oxygen = 16)
