Respuesta :

Answer:

0.05

Explanation:

d=m/v

42/840=0.05

0.05 grams per centimeter cubed.

Explanation:

Mass = 42grams

Volume = 840cm^3

Density = ?

Density = Mass/Volume

. = 42g/840cm^3

. = 1/20gcm^3

Thanks!! Hope this helps!!❤

-T.Sookoo