Determine the density of the rock using correct significant digits. The mass of the rock is 25.69 g?

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1 Answer
Nov 5, 2016

Answer:

#"Density, "rho="Mass"/"Volume"=2.6*g*mL^-1#

Explanation:

And thus #rho_"rock"=(25.69*g)/((40-30)*mL)# #=# #2.6*g*mL^-1#

Note that the answer is quoted to 2 significant figures because the volume was measured to 2 signficant figures.