laurynbroussard laurynbroussard

06-09-2020
Chemistry

contestada

5.685 x 1021 atoms + 2.279 x 1019 atoms =
5.7 x 1021 atoms
5.71 x 1021 atoms
5.708 x 1021 atoms
5.7078 x 1021 atoms

Respuesta :

maryamarif118 maryamarif118

06-09-2020

Answer:

5.71 x 1021 (C)

Explanation:

Because if the numbers are over 5 then u round to the next number. So since 6 is bigger than 5 that means is gonna round up so it will be 7 and so. I hope that helps a bit

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