how many supreme court justices does it takes for a case to be heard
Rating Newest Oldest. Best Answer: Well, at the time there are nine justices. Therefore, by a majority vote, at least five supreme court justices would need to vote to hear it. Announcing and Implementing a Decision When the Court announces a decision, the individual justice's opinions are revealed. A UNANIMOUS DECISION (9-0) indicates that the justices were in total agreement.