Question

Need help what’s the answer to the picture above?

Answer 1

The answer is pi (third option), because when written as a decimal it goes on forever.

Irrational numbers are numbers that cannot be expressed as the ratio of two whole numbers. This is opposed to rational numbers, like 2, 7, one-fifth and -13/9, which can be, and are, expressed as the ratio of two whole numbers. When expressed as a decimal, irrational numbers go on forever after the decimal point and never repeat.

Answer 2

π

Explanation:

Irrational numbers cannot be expressed in as the ratio of two numbers

π in decimal form is 3.14159 and it goes on. This can't be expressed in a proper fraction unlike the other three numbers.