This is an iteration method for finding the square root.
The ? is also your first initial guess.
? = 10.5
The iteration formula for the square root is actually.
√n = (x + n/x)÷2.
Where x is your guess.
2.48 can be rounded pretty much any number between 2.45 to 2.5
<span />
29 because first u add 5 then 8 3 times.
