To determine the type of product resulting from multiplying \( \frac{3}{5} \) and \( 3\pi \), we can analyze the components involved:
- \( \frac{3}{5} \) is a rational number (a fraction).
- \( 3\pi \) is an irrational number (since \( \pi \) is an irrational number, and multiplying it by a rational number does not change its irrationality).
When you multiply a rational number \( \frac{3}{5} \) by an irrational number \( 3\pi \), the result will always be an irrational number.
So the correct answer is:
an irrational number