Determine the validity of each statement by selecting True or False.

select True False  1. The number $\sqrt{\frac{4}{64}}$ is rational, but not an integer

select True False  2. The number $\sqrt{13}$ is a real number, but not an irrational number

select True False  3. The number $\frac{31}{23}$ is rational, but not an integer

select True False  4. The number $\frac{13}{9}$ is rational, but not a natural number

select True False  5. The number $\sqrt{23^2}$ is a real number, but not a rational number