# Chemistry

My problem states the mass of the electron is 9.10939 x10-31kg. It wants me to express the mass of the electron to 1, 2, 3, and 4 significant figures. I don't need just the answer but an explaination on how to arrive at the answer.

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1. OK. Thanks for typing the WHOLE question. This makes sense.
One s.f.
9
Two s.f.
9.1
Three s.f.
9.11
Four s.f.
9.109
Five s.f.
9.1094
Six s.f.
9.10938
All have the x 10^-31 kg following the number. Do you see how this was done.
http://www.chemteam.info/SigFigs/SigFigs.html

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