If the mass of a material is 78 grams and the volume of the material is 23 cm3, what would the density of the material be?

By definition, density is mass per volume.

Plugging in the given values gives:

The only operation done in the problem is division, and both numbers have 2 significant figures, so this would be with correct significant figures.

answer : a model is often used to explain and make things easier to understand when any scientific topic needs to be demonstrated and explained.

as in this case where a scientist wants to use a model to present the results of his detailed scientific investigation. he should do it as it will him to make the audience understand the concept in a much better way. also, it can be changed according to new scientific understandings.

is there any options? maybe im just not seeing them but i need the options to

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