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Which of the following is irrational?

-√25
√16/25
0.010011000111
√2
π
Answered by mathhelper
There are others:

√2 is irrational

if for 0.010011000111 you meant 0.010011000111.....
it would be irrational, since according to the pattern shown, the
decimals would never repeat in a defined pattern.
Answered by Bot
π