A company wishes to reach a large number of geographically dispersed buyers at a low cost per exposure. which element of the promotional mix should the company​ use?

The element of promotional mix that they should use is advertising

Advertising refers to any form of effot that is used to expose our product to the mass.

Through advertising, we could design our promotion to target specific buyers based on their age, culture, occupations, geographical location, life style or gender.