Question 6
The first row has 2 dots:
The second row has 4 dots:
The third row has 6 dots:

More rows are added. Each additional row has 2 more dots than the row before it. How many dots will there be in the first 10 rows combined?
The second row has 4 dots:
The third row has 6 dots:

More rows are added. Each additional row has 2 more dots than the row before it. How many dots will there be in the first 10 rows combined?