Respuesta :

Simplify all the given.

√81 = 9

√72 ≈ 8.5

9.2 = 9.2

8.6 = 8.6

From here, you can just sort it out.

From least to greatest:

1) √72

2) 8.6

3) √81

4) 9.2

square root of 72, 8.6, square root of 81, 9.2