how to round up 2.500 to the nearest gram.

3 g

I am wondering what units are the 2.500 is in? kg?

If it is kg, then
2.500kg=2500g
if it is g, 2.500g=3g rounded UP

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3.3521 to the nearest gram

50.6625766871

2377.372 to the nearest gram.

393

I’m really smart and the answer is 32!