Respuesta :

Answer:

18.4

Step-by-step explanation:

Well the square root of 84 isn't an exact answer.

But when rounded it equals to approximately 9.16 or rounded even more 9.2 at most.

So 9.2 + 9.2 = 18.4.

So the answer is ≈ 18.4

Have a good day or night wherever you are. May GOD Bless You!!

Answer:

=> 18.3303028 or 18.4

Step-by-step explanation:

=> √84 +√84 {√84 = 9.16515139 or 9.2}

=> 18.3303028 or 18.4