To add, you need to have everything in the same units. I'll go with grams.
1 g = 1000 mg = 10 dg = 100 cg
1500 mg = 1.5 g ; 25 dg = 2.5 g ; 2000 cg = 20 g
1.5 g + 2.5 g + 20 g = 24 g
Chat with our AI personalities
mg + CuCl2 + MgCl2 + Cu Mg + Cu^+2 = Mg^+2 + Cu
There are 2 significant figures in this measurement.
3Mgo+2B
False (APEX)
2 becasuse 500 mg plus 500mg = 1000mg 1000mg= 1 gram