Question
Calculate the approximate number of atoms in a bacterium. Assume that the average mass of an atom in the bacterium is ten times the mass of a hydrogen atom. (Hint: The mass of a hydrogen atom is on the order of $10\times 10^{-27}\textrm{ kg}$ and the mass of a bacterium is on the order of $10\times 10^{-15}\textrm{ kg}$)
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$1\times 10^{11}\textrm{ atoms/bacterium}$
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