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The answer is 2.7

I’m not an expert at this but i did some research so I hope I can help

It’s 2.7 because the formula for calculating density is to divide the mass by the volume and in you do that for each of them you get 2.7 every time
jasminsalaman
Answer: 2.7
10.8 / 4 = 2.7
18.9 / 7 = 2.7 and so on...

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