Question

I need some help with this. If you could help me, that would be great.

Answer 1

.31 g / mL

Explanation:

Density = mass / volume

Sample 3

mass = 7 1/4 = 7.25

Volume 23.1

Density = 7.25/ 23.1 = .313852814

To the nearest hundredth

.31 g / mL