Question

If you have a gold brick that is 2cm by 3cm by 4cm and has density of 19.3g/cm3, what is its mass?

Answer 1

Volume = a x a x a  

V = 2 cm x 3 cm x 4 cm => 24 cm³

Density = 19.3 g/cm³

Mass = ?

Therefore:

m = D x V

m = 19.3 x 24

m = 463.2 g

Answer 2

The mass of gold brick will be "463.2 kg".

Given:

Length,

• 2 cm

Width,

• 3 cm

Height,

• 4 cm

Density,

• 19.3 g/cm³

→ The volume will be:

= $Length\times Width\times Height$

= $2\times 3\times 4$

= $24 \ cm^3$

hence,

→ The mass will be:

= $Density\times Volume$

= $19.3\times 24$

= $463.2 \ Kg$

Thus the response above is correct.

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