# How heavy is gold

## a) 1cm³ gold weighs 19.3g. How much does a cube with a side length of 1m made of pure gold weigh? b) a lead cube with a side length of 10cm weighs 11.3kg. How much does 1m³ lead weigh?

Homework solutions
from experts

a) 1cm³ gold weighs 19.3g. How much does a cube with a side length of 1m made of pure gold weigh? b) a lead cube with a side length of 10cm weighs 11.3kg. How much does 1m³ lead weigh?

1m ^ 3 = 100cm * 100cm * 100cm = 1000000cm ^ 3

A cube with the volume 1m ^ 3 therefore weighs 1000000 * 19.3g = 19.3t

Oh and so should I do it with b?

With "exactly like that" is of course meant analogously. Don't understand why you give a thumbs down for it.

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je suis en première année (L3) de cycle engineer à EFREI PARIS dans les sciences du numérique.

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