Question

How do you simplify `sqrt(81)`?

Answer 1

`sqrt(81) = 9`

Explanation:

`sqrt(81)` is the positive value `k` such that `k^2` (or if you prefer, `kxxk`) `= 81`

Since `9^2 = 81`

`color(white)("XXXX")` `sqrt(81) = 9`