A hypothetical element exists as two isotopes: I = 85.50 amu and II = 88.70 amu. If the percent abundance of isotope I is (2.16x10^1)%, what would be the calculated atomic mass (in amu)? Enter your answer in scientific notation with 3 sig figs. Do not include any units in your answer.

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Atoms and Molecules

An atom is the smallest unit of an element that possesses all the properties of that particular element. Molecules are the smallest unit of a substance that possess all the properties of that particular substance.