According to the 10 20 30 rule of PowerPoint presentations, slides should have font no smaller than: (1 point) Responses 10 points. 10 points. 20 points. 20 points. 30 points. 30 points. 60 points. 60 points.

The correct answer is 30 points. According to the 10 20 30 rule, the font size of PowerPoint presentations should not be smaller than 30 points.