Question

a box contains 200000 medicine tablet each with 20 milligram what is the total weight of all the tablets in the box in grams and kilograms​

Answer 1

Total weigh of the box = 200000x20=4000000mg

In grams =2000g

In kg =2kg

Answer 2

Explanation--

The weight of the 1 medicine tablet =20gm

the weight of the 200000 medicine tablet=200000*20mg=4000000mg...........(1)

Suppose you have weight of 1 toffee = 2gm

then weight of 2 toffee= 2*weight of 1 toffee

= 2*2gm

=4gm

the total weight of all tablets in the box ( in gm= 4000000 mg from( 1)

=4000000*0.001 gm as (1mg=0.001gm)

=4000gm.........(2)

the total weight of all the tablets in the box (in kg) = 4000gm

=4000*0.001kg as (1gm=0.001kg)

=4kg

Hope it helps.