Which of the following is an irrational number?

Which of the following is an irrational number?
A .

B . 4 C3
C .

D

D .

View Answer

Answer: E

Explanation:

An irrational number is a number that cannot be expressed as a repeating or terminating decimal.

. √2 cannot be expressed as a repeating or terminating decimal, therefore, 128√2 is an irrational number.