Question

A solid rectangular piece of metal measures 3 m long, 1.5 m wide, and 3 cm thick. Find the weight of
this piece if a cubic centimetre of the metal weighs 7 g.​

Answer 1

Answer:

First we have to find out its volume.

Therefore, volume of solid rectangular piece= l×b×h= (300×150×3) cm^3= 225000cm^3

Therefore, weight of this piece=(225000×7)g= 1575000g=1575kg