Simplify: $\left[5\left(8^{\frac{1}{3}}+27^{\frac{1}{3}}\right)^{3}\right]^{\frac{1}{4}}$
$-5$
$25$
$5$
$-125$
Simplify: $\frac{7 \sqrt{3}}{\sqrt{10}+\sqrt{3}}-\frac{2 \sqrt{5}}{\sqrt{6}+\sqrt{5}}-\frac{3 \sqrt{2}}{\sqrt{15}+3 \sqrt{2}}$
Insert a rational number and an irrational number between the following:
$2.357$ and $3.121$
Convert following rational numbers in decimal form and state the kind of its decimal expansion
$\frac{71}{125}$
$\sqrt{10} \times \sqrt{15}$ is equal to
Simplify
$\left(4^{\frac{1}{5}}\right)^{3}$