I vacuum sealed 3 bananas for no reason. When I cut

Wrapping bananas in newspaper reduces their exposure to air and light. Newspaper helps maintain a stable temperature and slows down the ripening process. Wrap each banana individually to avoid bruising, rather than wrapping the entire bunch together.
Additionally, store bananas wrapped in newspaper in a dry, cool place, away from direct sunlight. This method can keep them fresh for about 3-5 days.