How do I round 3.8129 to 3 decimal places?Please help!!!

Sagot :

[tex]3.8129\\\\Since\ the\ fourth\ place\ is\ 5\ or\ more\ (here\ it's\ 9),\\the\ third\ place\ is\ increased\ by\ 1.\\\\Answer:3.8129\approx3.813[/tex]
3.8129 
rounded to 3 decimal places =3.813