SAT, 19.10.2021 01:00 Onlytrillest
the mass of a an atom of helium is 6.65 x 10−24. use scientific notation to express the mass of 250 helium atoms.
Answers: 3
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the mass of a an atom of helium is 6.65 x 10−24. use scientific notation to express the mass of 250...
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