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What is the density of a section of bone if a 25.3 cm) sample has a mass of 27.8 g? a) 110 g/cm? b) 1.1 g/cm ) 1 g/ cm d 1.10

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Answer #1

1) density = mass/volume

= 27.8/25.3 g/cm3

= 1.10 g/cm3

Answer is a)

2) Answer is c). 06.6×10-2 .

It has two significant figures and all other have one or three significant figures.

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