Answer:
The answer to your question is below
Step-by-step explanation:
When a denominator has a positive exponent we change it into an expression with a negative exponent and vice-versa, when a numerator has a positive exponent, we change it into a denominator with a negative exponent.
a) [tex]\frac{1}{p^{4}}[/tex] = p⁻⁴
b) [tex]\frac{1}{25}[/tex] = 25⁻¹