Ryan's book weighs 9g. What is the weight in mg?
As we know, 1g=1000mg
So, 9g=9×1000mg=9000mg.
Hence the result is 9000mg.
Ranu's book weighs 150g. What is the weight in kg?
The weight of 65 books is 13 kg.(i) What is the weight of 80 such books?(ii) How many such books weigh 6.4 kg?
19 books weigh 11kg400g. What is the weight of 21 books ?
The weight of 72 books is 9 kg.
(a)what is the weight of 85 such books?
(b)how many such books weigh 18 kg?