If $$ {(\sqrt {3})^{5}× {9}^{2}={3^{n}{×3\sqrt {3}}}}$$ then value of n 

The value of which one of the following fractions falls in between $$ {3\over 5}$$ and $$ {7\over 8}$$?

$$ {({1\over25})^{-1\over2}}+{({8\over 27})^{-1\over3}}$$

$$ {5^{1\over 4}×(125)^{0.25}}$$ is equal to

Solve for x if $$ {x^{a^{3}}}.x^{b^{3}}.x^{3ab(a+b)}=(2^{5})^{25},a+b=5 $$

What is the value of a⁵ × a⁷ ?

Find the value of $$ \sqrt{20+\sqrt{29-\sqrt{12+\sqrt{19-\sqrt{9}}}}}$$.

If $$ {(2x-5y)^{3}-(2x+5y)^{3}=y{[A{x}^{2}+B{y}^{2}]}}$$, then what is the value of $$ {(2A-B)}$$?