The correct answer is: 17280 <span>cubic inches </span> Explanation: As we are going to convert bigger unit (feet) into small unit (inches), we will need to multiple 10 with as there are 12 inches in 1 foot and the unit is in cubic form, therefore, we would need to take the cube of 12. Mathematically we can write it as:
<span>cubic inches
Hence the correct answer is </span>17280 cubic inches.