Answer:
836 cubic centimeters
Step-by-step explanation:
We need to add together the volumes of the three cubes.
Vcube = s*s*s
<u>Small cube:</u> V = 2^3 = 8
<u>Medium cube:</u> V = 7^3 = 343
<u>Large cube:</u> V = 8^3 = 512
Total volume: 8 + 343 + 512 = <u>836 cubic centimeters</u>