Calculate the value of (2.75)³ minus (2.00)³ minus (0.75)³.

Explanation

Using the identity for cubes: if a + b + c = 0, then a³ + b³ + c³ = 3abc. Here, 2.75 - 2.00 - 0.75 equals zero, so (2.75)³ - (2.00)³ - (0.75)³ equals 3 × 2.75 × 2.00 × 0.75, which simplifies to 4.5 × 2.75.