Homework Help: chemistry

Posted by Rebekah on Wednesday, September 15, 2010 at 4:19pm.

Calculate the amount of heat required to raise the temperature of a 16 g sample of water from 5°C to 12°C.

Round to the correct number of sig figs.
I got 5e3 and it was wrong.

chemistry - TutorCat, Wednesday, September 15, 2010 at 4:25pm
try two significant figures.
chemistry - Rebekah, Wednesday, September 15, 2010 at 4:32pm
I got it wrong! would it be 5e3. cause i messed up on the amount of spaces but idk if that is the correct sig fig?
chemistry - Rebekah, Wednesday, September 15, 2010 at 4:33pm
I got it:) it was 5e2
chemistry - len, Wednesday, September 15, 2010 at 9:54pm
how many signigicant figures does 890 have?

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