Which of the following is an irrational number?

(Points : 1)

(square root symbol) 20
(has parenthesis and square root symbol) 10^2
(square root symbol) 144
and 0.484848484848484848484848484848

Question

Which of the following is an irrational number? 

(Points : 1)

(square root symbol) 20
(has parenthesis and square root symbol) 10^2
(square root symbol) 144
and 0.484848484848484848484848484848

anonymous · Answer

An irrational number is any real number that cannot be expressed as a ratio of integers and cannot be represented as terminating or repeating decimals.

anonymous · Answer

Can you give me an example?

anonymous · Answer

An example would be pi. It is not repeating.

anonymous · Answer

So the answer is when calculate it and if it doesn't repeat then thats the answer?

anonymous · Answer

Well, yeah. Irrational numbers cannot repeat.

anonymous · Answer

Thank you so much. It makes a little more sense now. :)

anonymous · Answer

No problem.