Question #cc889

1 Answer
Daniel L.
Mar 22, 2017

The correct answer is D. Seee xplanation for details.

Explanation:

In the question we have the mass and the density given, and we must calculate the volume.

To do this we have to use the formula:

d=m/V

where d - density, m - mass and V - volume

After rearranging the formula we get:

V=m/d

Before calculations we have to check the units:

The density is given in g/(cm^3), while the mass is given in kg. Looking at the answers we can see that we have to express the mass in grams. To do this we have to multiply the mass in kilograms by 1,000: m=18,754,000g

Now we can divide the numbers to get the volume:

V=(1,754,000)/0.788~~2.38xx10^7

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