Final answer:
Dealing with taxes, tariffs, and import and export regulations is a business challenge associated with operating in the digital world.
Step-by-step explanation:
The challenge associated with operating in the digital world that involves dealing with taxes, tariffs, and import and export regulations is a business challenge. In a globalized economy, businesses have to navigate through various international trade barriers and regulations, such as nontariff barriers and tariffs, which can make it more costly or difficult to import or export products. These barriers can increase production costs and hinder a company's ability to compete in the international market.