Which number is irrational?

A.

0.46

B.

square root of 100/3

C.

square root of 8

D.

0.8 repeating

The correct answer is C.

An irrational number is a number that can't be expressed as a ratio or proper fraction.

A. can be written as 23/50

B. Can be written as 3 1/3

C. Cannot be written as a ratio or fraction

D. Can be written as 8/9