maxybakes maxybakes
  • 12-12-2022
  • Mathematics
contestada

At the start of an experiment, some chemicals had a mass of 74 g, rounded
to 2 significant figures.
During the experiment, the mass of the chemicals decreased by 6.3 g,
rounded to 2 significant figures.
Calculate the lower and upper bounds of the mass of the chemicals at the
end of the experiment.

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