Question

What integer is closest to 4 √5?​

Answer 1

it's decimal value then it is 11.1803399.

The integer close to it is 11

Answer 2

Explanation:

let's square this :

4² × 5 = 16 × 5 = 80

the closest squared integer is 81 (9²).

so, the closest integer to 4×sqrt(5) is 9.