3 g is 3000 mg. So there is 20 x 150 mg in 3 g. The answer is 20
3g= mg
a gram equals a thousand milligrams, so 3,000 mg
150 mg = 1.5 g
1500 mg
150 grains equates to about 9719.84mg
150
0.15
1,50
0.15 mg
1000 mg = 1 g 1000 g = 1 kg ⇒ 1000 x 1000 mg = 1 kg ⇒ 1000000 mg = 1 kg ⇒ 150 mg = 150 ÷ 1000000 kg = 0.00015 kg
3g = 3 grams 3 mg = 3 micrograms = 3/1000 grams Thus 3g is larger than 3 mg.