Which expressions represent rational numbers? Select all the apply.

Answer:
1. sqrt 100 x sqrt 100
2. 13/5 + sqrt 81
3. sqrt 9 + sqrt 729
4. Not a rational number
5. Not a rational number
6. 3/5 + 2.5
Answer:
A B C F
Step-by-step explanation:
I got it correct on Edge.