need help understanding exponents using the product rule/ Simplifying Radicals.

(a^1/2 b)^1/2 x (ab^1/2)

3 answers

assume your x means * or "times"?

multiply --- add exponents
raise to power - multiply exponents
a^.25 b^.5 * a^1 b^.5

a^1.25 b^1
or
a^(5/4) b
How do I write the answer in fraction form.
How do write this answer in fraction form?