Respuesta :

sqvatorex

Answer:

The 4th option.

Step-by-step explanation:

Rational numbers are numbers which can be expressed as a fraction. Irrational numbers are numbers which can't be expressed as a fraction. Square root 16 is a perfect square so it is a rational number.

Nova1327

Answer:

The last one, the square root of 16.

Step-by-step explanation:

All the other answers you'll get a decimal. The square root of 16 is the only one you don't get a decimal for.

4 × 4 = 16