Mathematics, 05.10.2021 02:10 Lalu3677

an atom of helium has a mass of 6.810 raise to power -27kg. if a room contains 910 raise to power 22,what is the mass of helium in a room, what is the mass of helium in a room

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an atom of helium has a mass of 6.8*10 raise to power -27kg. if a room contains 9*10 raise to power...