Question

2. 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?

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Answer 1

First u multiple 200000*20=4000000mg.
Then convert this in g=1 mg=1000g
So,4000000*1000=4000000000g.
1g=1000kg
4000000000*1000=4000000000000kg.