State whether the following statement is true or false:
Every whole number is a natural number.

State whether the following statements are true or false. Justify your answer.
$(i)$ $\frac{\sqrt{2}}{3}$ is a rational number.
$(ii)$ There are infinitely many integers between any two integers.

Insert a rational number and an irrational number between the following: $\frac{1}{3}$ and $\frac{1}{2}$

Insert a rational number and an irrational number between the following:
$3.623623$ and $0.484848$

Find five rational numbers between $-\frac{3}{4}$ and $-\frac{1}{3}$.

Between two rational numbers,