The mass of an oxygen molecule is 5.31\times 10^{-23}5.31×10
−23
grams. The mass of a helium-4 atom is 6.65\times 10^{-24}6.65×10
−24
grams. How many times greater is the mass of an oxygen molecule than the mass of a helium-4 atom? Write your answer in standard notation, rounding to the nearest tenth.