question 4 of 10: what is the name for the number of times a post or ad is seen by multiple viewers?\na)…

question 4 of 10: what is the name for the number of times a post or ad is seen by multiple viewers?\na) reach\nb) cpm\nc) metrics\nd) impressions
Answer
Brief Explanations:
Impressions refer to the number of times a post or ad is seen by multiple viewers. Reach is the number of unique viewers. CPM (Cost - Per - Mille) is a pricing model. Metrics is a general term for measurements.
Answer:
D. impressions