Question

Which expression is rational?

4.121221222…
square root of 36
square root of 21
1.192744502…

Answer 1

the answer would be a or b

Explanation:

because they both can be written as fraction

hope this helps you!

Answer 2

1 and 4

Explanation:

because the square roots are always irrational. however, a rational number can be expressed as a decimal, fraction, and others...

Hope that helped