Nine :)
* * * * *
Sort of.
± 9 are the square roots (not rout!) of 400.
No idea about square rout, but the square roots of 25 are -5 and +5.
20. * * * * * Sort of. ± 20 are the square roots (not rout!) of 400.
5.830951894845301
3
12
No idea about square rout, but the square roots of 25 are -5 and +5.
20. * * * * * Sort of. ± 20 are the square roots (not rout!) of 400.
5.830951894845301
3
12
19
8.30662386
2.82842712
4
-8
The square root of pi is1.772453850905516027298167483314.
The answer to that question is three,