Answer:
slightly more than 15
Explanation:
Tip: Use a calculator, it is very helpful and most often allowed in exams that include the calculation of pi.
1. Setup the problem: 5(pi)
2. Plug in the problem to receive: 15.70796...
3. The answer is slightly more than 15
ALSO: The first 3 digits of pi are 3.14, which is near the whole number 3. 5x3 = 15, so it is slightly more than 15.