Question #1bdbf

1 Answer
Gió
Jun 23, 2016

I found 170g

Explanation:

Density rho mass m and volume V are related as:
rho=m/V
rearranging:
m=rho*V=2.7*(4.0)^3=172.8g
color(red)("BUT with two significant figures:" =170g)

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