jika massa batu tersebut 110 gram , massa jenisnya adalah..

Massa = 110 gram
Vol = 70 - 50 = 20 ml

Massa jenis = Massa ÷ Vol
= 110 ÷ 20 = 5,5 gr/cm^3

semoga membantu ^^

p=[tex] \frac{110}{20}[/tex]
p=5,5g/[tex] cm^{3}[/tex]x1000
p=5500Kg/[tex] m^{3}[/tex]