Thinking Mathematically (6th Edition)

$1500~cm^3$
We know that $1 ~L = 1000~cm^3$ We can convert $1.5~L$ to units of $cm^3$. $1.5~L = \frac{1.5~L}{1}\times \frac{1000~cm^3}{1~L} = 1500~cm^3$