Final answer:
True. The decal provided by the DNR should be displayed on both sides of the boat towards the stern within 4 inches of the registration numbers.
Step-by-step explanation:
The statement is true. The decal provided by the DNR should be displayed on both sides of the boat towards the stern within 4 inches of the registration numbers. This requirement is outlined in many states' boating regulations to ensure proper identification of the vessel.