Question

A box contains 20000 medicine tablets 20mg what is the total weight of all the tablet in the box in gram and kilogram

Answer 1

A box contains 20000 medicine

each tablets 20mg

∴total weight =20000×20mg⇒400000 mg

1,000 milligrams (mg) in 1 gram

1mg=1/1000 g

400000 mg=1/1000×400000 g

400g     ANS  [1}

 1,000,000 milligrams = 1 kilogram.

1mg=1/ 1,000,000  kilogram.

400000 mg=1/ 1,000,000 ×400000 kg

4/10kg⇒0.4 kg ANS  [2}