Hi ,(adsbygoogle = window.adsbygoogle || []).push({});

I have a quick question about significant digits number

what is-256453rounded at 3 significant digits?

what is-3816.512rounded at 4 significants digits?

I am confused when I have to rounded negative numbers.

Can someone help me please?

B

**Physics Forums | Science Articles, Homework Help, Discussion**

The friendliest, high quality science and math community on the planet! Everyone who loves science is here!

# Homework Help: Significant digit

**Physics Forums | Science Articles, Homework Help, Discussion**