Respuesta :

bernalaurora598

Step-by-step explanation:

Mass = Density × Volume or m=pV

Density = 6

Volume = 13

6 × 13 = 78

The mass of the iron ball is 78.

Answer:  78 grams

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Work Shown:

d = density = 6 grams per cm^3

m = mass = unknown

v = volume = 13 cm^3

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d = m/v

dv = m

m = dv

m = 6*13

m = 78 grams

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