Question

$2 \sqrt{5}$

Answer 1

2√5

 √5 decimal approximation, it would be 2.23607 (rounded).


2√5 = 2 * 2.23607

2√5 = 4.47214

1. The square root of 5 is the positive real number.

root of 5 is an irrational number meaning that it is a non terminating and non recurring decimal. 

2. It is an irrational algebraic number.