Question

Select the box in each row to identify the number as rational or irrational.

Answer 1

1 is irr 2 is rat 3 rat 4 rat 5 irr and 6 is irr

Answer 2

rational

irrational

rational

irrational

rational

Explanation:

the first answer here is wrong and does not fit to the problem with 5 expressions.

13/90 is rational per definition (a ratio of two natural or integer numbers).

sqrt(84) is therefore irrational.

4/11 is per definition rational.

12×pi is irrational, because pi is irrational.

4.6363636363... is rational, because it is 51/11