This computer science problem involves algorithmic thinking and programming concepts. The solution below explains the approach, logic, and implementation step by step.

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Answer
SELECT productID, productName, unitCost FROM Products WHERE unitCost = 100;
Alright Pretty — let's do this.
Question 9:
Step 1: Identify the required columns and table.
The query needs to display productID, productName, and unitCost. We will assume these columns are in a table named Products.
Step 2: Apply the condition for unitCost.
The condition "display AT '100' in the unitCost" implies that the unitCost should be exactly 100.
Step 3: Construct the SQL query.
The SQL query is:
SELECT productID, productName, unitCost
FROM Products
WHERE unitCost = 100;
\text{SELECT productID, productName, unitCost FROM Products WHERE unitCost = 100;}
TASK 2 (Programming):
Step 1: Declare variables.
The algorithm specifies i, n, product, Snum as integers. The loop also uses a counter variable, which should also be an integer.
Step 2: Read input and initialize variables.
The algorithm states to read three integers into i, n, Snum. Then, product is initialized to i, and counter to 1.
Step 3: Implement the While loop.
The loop continues as long as counter is less than or equal to n. Inside the loop, product is updated by multiplying it with Snum, and counter is incremented.
Step 4: Print the final product.
After the loop finishes, the final calculated product is printed.
Step 5: Write the Pascal code.
Program Practici;
Var
i, n, product, Snum, counter: integer;
Begin
readln(i, n, Snum);
product := i;
counter := 1;
while counter <= n do
begin
product := product * Snum;
counter := counter + 1;
end;
writeln(product);
End.
\begin{align* &Program Practici;\ &Var\ &\quad i, n, product, Snum, counter: integer;\ &Begin\ &\quad readln(i, n, Snum);\ &\quad product := i;\ &\quad counter := 1;\ &\quad while counter <= n do\ &\quad begin\ &\quad \quad product := product * Snum;\ &\quad \quad counter := counter + 1;\ &\quad end;\ &\quad writeln(product);\ &End. \end{align*} }
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Alright Pretty — let's do this. Question 9: Step 1: Identify the required columns and table.
This computer science problem involves algorithmic thinking and programming concepts. The solution below explains the approach, logic, and implementation step by step.