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Perform the following arithmetic operations, and report the result to the proper number of significant figures: (a)105.5 L + 10.65 L, (b) 81.058 m - 0.35 m, (c) 3.801 x 10^21 atoms + 1.228 x 10^19 atoms, (d) 1.255 dm x 25 dm, (e)139 g ÷ 275.55 mL.

Respuesta :

chloepenney

a) 116.2L

b) 80.71m

c) 3.813atoms

d) 31 dm^2

e) I'm unsure what à means. If you mean multiplication the answer is 3.83 x 10^4g mL. If you mean division the answer is 0.504g/mL. Sorry if this doesn't help.

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