a metal cuboid is of dimensions 50 cm, 10 cm and 20 cm. if the weight of 1 cubic centimetre of the metal 8 grams, find the weight of the metal cuboid in kilograms. (answer with formula)
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l=50cm
b=20 cm
h= 10 cm
volume of cuboid = lbh
=50*20*10
=10000 cubic cm
weight of 1 cubic cm = 8g
weight of 10000 cubic cm = 10000*8
=80,000g
1kg = 1000g
therefore 80,000g=80,000/1000
= 80kg
therefore the weight of the cuboid is 80kg
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