Question

If 1 cubic cm of a wood weighs 0.5 grams , then find the weight of a wooden block whose lenght , breadth and height are 10 cm, 8 cm and 4 cm respectivity

answer is 160 grams

I want process

Answer 1

volume of block=(10×8×4)cubic cm.=320cubic cm.
because 1 cubic cm. weighs 0.5 grams
therefore 320 cubic cm. weighs= (320 ×0.5 )grams =160 grams

Answer 2

The volume of a wood = 10×8×4
= 320

The wood weight. = 0.5 GM's
= 320 ×0.5
= 160cm2





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