Here's what we did today in class.
whole numbers with a square root between 9 and 16.
you get these answers because 10 for example has a square root of 3.162 which is between the square root of 9(3) and 16(4). it's the same with the other numbers.
these were the other notes.
A example of this would bewhich is 4.123, a square root of 17.
here's a video that might help you understand and a website.