What is the combined mass in grams of objects tha have the masses of?

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0.2000kg,80g, and 524mg

2007-02-12 17:29:08 · 4 answers · asked by Abel G 1 in Science & Mathematics ➔ Chemistry

0.2000 kg = 200 grams
524 mg = 0.524 grams

So the total mass is 200 + 80 + 0.524 = 280.524 grams.

2007-02-12 17:34:08 · answer #1 · answered by vjstrugar 2 · 0⤊ 0⤋

First convert to the same units, smallest easier
0.2 kg = 200000 mg
80g = 80000mg

Then add
200000 + 80000 + 524 = 280524 mg = 280.524 g

2007-02-13 01:33:11 · answer #2 · answered by Roger S 3 · 0⤊ 0⤋

Change all to grams.

200g + 80 g + 0.524 g = _____ g

2007-02-13 01:33:13 · answer #3 · answered by ecolink 7 · 0⤊ 0⤋

wat grade u in 8th or 10th? i think we had this problem in chem... umm 280.524g ni gga

2007-02-13 01:33:48 · answer #4 · answered by Anonymous · 0⤊ 0⤋