Rewrite with Positive Exponents, and Simplify, If Possible $\mathrm{p}^{-9 / 10}$

Multiple Choice

Rewrite with positive exponents, and simplify, if possible.
- $\mathrm{p}^{-9 / 10}$

A) $\frac{1}{p^{9 / 10}}$
B) $-p^{9 / 10}$
C) $p^{10 / 9}$
D) $-\frac{9 p}{10}$