The sum of two irrational numbers is an irrational number.

The decimal expansion of the rational number $\frac{14587}{1250}$ will terminate after

If the prime factorisation of $20570$ can be written as $2\times 5\times A^2\times B$, then find the value of $A+B$.

The prime factorisation of $7325$, can be expressed as $A^2\times B$, find the value of $B-A$.