7.874 DP (rounded)
+ or - 3162.275 to 3 dp. And it is square root, not route.
+ or - 121.917 to 3 dp. And it is square root, not route.
+ or - 20.785 to 3 dp. And it is square root, not route.
+ or - 1.432 to 3 dp. And it is square root, not route.
The square root (not route!) of 7886 is 88.803 to 3 dp
The square root (not route!) of 2400 is 48.9898 (to 4 dp)
± 4.690416*i (to 6 dp) where i is the imaginary square root of -1.
Not sure about a square route, but the square root of 654321 is 808.901 (to 3 dp).
129.64 (to 2 dp)
6040.11 (to 2 dp)
2205.83 (to 2 dp)
19.94994 (to 5 dp)