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

The value of $$ {4^{10+n}}.{16^{3n-4}}\over4^{7n}$$ is:

Find out the value of $$ {\sqrt{(121)}} +{\sqrt{(12321)}}+{\sqrt{(1234321)}}$$.

Which of the following statements is /are True?
I. $$ {33^3}>{3^{33}}$$
II. $$ {333}>{(3^{3})^{3}}$$

If 3 ^(X-Y)=27 and 3 ^(X+Y)=243, then X is equal to:

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

What is the value of a⁵ × a⁷ ?

$$ \sqrt{.081×.484\over0.0064×6.25}=?$$