Let $U=\{p, q, r, s, t, u, v\}$ and $A=\{q, r, s, v\}$. Use the roster method to write the set $A^{\prime}$.
\[
A^{\prime}=
\]
(Use a comma to separate answers as needed.)

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Final Answer: $A^{\prime}=\boxed{\{p, t, u\}}$

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Step 1 ：Let $U=\{p, q, r, s, t, u, v\}$ and $A=\{q, r, s, v\}$. We are asked to find the set $A^{\prime}$ using the roster method.

Step 2 ：The set $A^{\prime}$ is the complement of set $A$ with respect to the universal set $U$. This means that $A^{\prime}$ contains all the elements in $U$ that are not in $A$.

Step 3 ：To find $A^{\prime}$, we need to subtract the elements of $A$ from $U$.

Step 4 ：So, $A^{\prime}$ = $U$ - $A$ = \{p, t, u\}.

Step 5 ：Final Answer: $A^{\prime}=\boxed{\{p, t, u\}}$

Let $U=\{p, q, r, s, t, u, v\}$ and $A=\{q, r, s, v\}$. Use the roster method to write the set $A^{\prime}$.\[A^{\prime}=\](Use a comma to separate answers as needed.)

Answer

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Let $U=\{p, q, r, s, t, u, v\}$ and $A=\{q, r, s, v\}$. Use the roster method to write the set $A^{\prime}$.
\[
A^{\prime}=
\]
(Use a comma to separate answers as needed.)