Verified Answer :

1/(xy)^1 = x^-1y^-1

1/a^4 = a^-4

1/8^6 = 8^-6

5/x^2 = 5x^-2

Answer:  The expressions are written below.

Step-by-step explanation:  We are given to write the given expressions using negative exponents.

We will be using the following property of exponents :

\(\dfrac{1}{p^h}=p^{-h}.\)

The first expression is :

\(E_1=\dfrac{1}{(xy)^1}=(xy)^{-1}.\)

The second expression is :

\(E_2=\dfrac{1}{a^4}=a^{-4}.\)

The third expression is :

\(E_3=\dfrac{1}{8^6}=\dfrac{1}{2^{3\times6}}=\dfrac{1}{2^{18}}=2^{-18}.\)

The fourth expression is :

\(E_4=\dfrac{5}{x^2}=5x^{-2}.\)

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