Find the value
$64^{\frac{2}{3}}$
$15$
$24$
$22$
$16$
Find three rational numbers between $\frac{2}{3}$ and $\frac{4}{5}$.
Find three different irrational numbers lying between $\sqrt{3}$ and $\sqrt{5}$.
Is $\sqrt{8+15}$ a rational number or an irrational number ?
State whether each of the following statements is true or false
$\sqrt{49}$ is an irrational number.
Simplify $: 5 \sqrt{2}+2 \sqrt{8}-3 \sqrt{32}+4 \sqrt{128}$