Question

What is the exact value of 5 times z all over the square root of z to the fifth power.?

A:5 the square root of z all over z cubed.
B:5 the square root of z all over z squared.
C:5 the square root of z all over z to the fourth power.
D:5 the square root of z all over z.

Answer 1

\[\frac{5z}{\sqrt{z^5}} = 5z \times z^{-5/2}\]

when multiplying add the powers