# Q. A box contains 2,00,000 medicine tablets each weighing 20 mg. What is the total weight of all the tablets in the box in grams and in kilograms?

Number of medicine tablets = $2,00,000$

Weight of each medicine tablet = $20\ mg = \frac{20}{1000}\ g$

Therefore, total weight = $2,00,000\times\frac{20}{1000}\ g$

$= 4,000\ g$

$= 4\ kg$

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