The answer is c, because you have the multiply the sides
Answer:
960 ft²
Since you are doing volume, your multiplication sentence would look like
Length * Width * Height
Now, if you multiply 10 * 8 * 12, your answer will be 960 ft²
Usually when you add big numbers together, you get a result of exponents involved :) answer for your question : 1.212154551 e^22
Are you just looking for the green space or more