### Video Transcript

One bag of apples contains seven apples. Use the multiplication sign to write an expression for the number of apples in three bags.

We know that one bag contains seven apples. We have to use the multiplication sign to write an expression to show the number of apples in three bags. We know we have to use a multiplication sign. We know that each bag has seven apples. And we also know that there are three bags. The expression which shows the number of apples in three bags is seven multiplied by three.