Answer :

Answer:

$7.07

Step-by-step explanation:

Volume cube = (17 in)³ = 4913 in³

density = 3.2 g/in³ = 0.0032 kg/in³   (because there are 1000 g / 1 kg)

cost of the cube = (4913 in³)(0.0032 kg/in³)(0.45 $/kg) = $7.0747 ≈ $7.07