Respuesta :

carlosego
1. To solve this problem you must apply the formula for calculate the density, which is shown below:

 d=m/V

 d is the density (d=8.9 g/cm³).
 m is the mass
 V is the volume (V=396 cm3).

 2. When you clear the mass "m" and substitute the values into the formula, you obtain:

 d=m/V
 m=dxV
 m=(8.9 g/cm³)(396 cm3)
 m=3,524.4 g

 The answer is: The mass of the copper necklace is 3,524.4 g.
 
facundo3141592

The mass of the necklace is 3,524.4 grams.

what is the mass of the copper necklace?

We know that:

mass = volume*density.

In this case, we have:

  • density = 8.9 g/cm³
  • volume = 396 cm³

Replacing these, we will see that the mass is:

mass = ( 8.9 g/cm³)*( 396 cm³) = 3,524.4 grams.

The mass of the necklace is 3,524.4 grams.

If you want to learn more about density:

https://brainly.com/question/1354972

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