This is the 179th most frequent Hebrew word.
רבות
The Hebrew word "רבות" can mean "many" or "much" (feminine plural).
In this sentence, 'רבות' (rabot) is used to mean 'much' or 'a lot,' reflecting quantity.
יש לי רבות ללמוד לפני הבחינה.
I have much to learn before the exam.
Here, 'רבות' is used to modify 'שאלות' (questions), meaning 'many' in the context of quantity.
המורה עונה על שאלות רבות לאחר ההרצאה.
The teacher answers many questions after the lecture.
In this case, 'רבות' describes 'הרשמים' (impressions), indicating a significant number in context.