To convert the integer \(1320\) into a decimal using long division by dividing it by \(1\), we can follow these steps:
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Set up the long division: We're essentially dividing \(1320\) by \(1.0\) to demonstrate the process of converting it into a decimal form.
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Perform the division:
- Divide \(1320\) by \(1\):
- \(1\) goes into \(1320\) a total of \(1320\) times.
- The result is \(1320.0\).
- Divide \(1320\) by \(1\):
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Write the answer: Since there are no other digits to process further, we conclude: \[ 1320 = 1320.0 \]
In decimal form, \(1320\) is simply \(1320.0\). Thus, using long division in this case reaffirms that \(1320\) is already a whole number, and its decimal representation is \(1320.0\).
Therefore, the final answer is \(1320.0\).