Answer with explanation:
Rational number
A number in the form of
, where, q≠0, and it is non terminating repeating decimal.
![1. (1)/(3)=0.3333....](https://img.qammunity.org/2019/formulas/mathematics/middle-school/utc0ck3bmlc0m4gum2w4cvenjbvthuae9p.png)
Non terminating repeating
Not equivalent with , 0.3.
![2. (2)/(5)=0.4](https://img.qammunity.org/2019/formulas/mathematics/middle-school/5vqfy3mq0lkwv3ovabz4rbyv0u0qbggndw.png)
Non terminating repeating
Not equivalent with , 0.25.
![3. (5)/(6)=0.833...](https://img.qammunity.org/2019/formulas/mathematics/middle-school/89pvjn5jlco9guasyztn1bi9pv05k03pop.png)
Non terminating repeating
Equivalent with , 0.8333....
![4. (9)/(10)=0.9](https://img.qammunity.org/2019/formulas/mathematics/middle-school/f2dsw4ptoob432qhdup9ju9p8foj5itl30.png)
Non terminating repeating
Not equivalent with , 0.09.
Option 3:
![(5)/(6), 0.833...](https://img.qammunity.org/2019/formulas/mathematics/middle-school/qfxl9cton3tdqrvoo7pvlcih1wj74u6srs.png)