Explanation
Correct answer: 6.21,6.210.
21 centimeters. Therefore, the volume of this cube is , or $27 grams per cubic centimeter, it follows that the mass of this cube is , or $6.21$ grams. Note that 6.21 and 6.210 are examples of ways to enter a correct answer.
Desmos solution:
Note: Find the cube's volume with 3^3, then multiply it by the density to get the mass.
Enter in Desmos:
Reviewed and rewritten by CookSAT