To convert the fraction \( \frac{1120}{1} \) to a decimal using long division, we'll actually interpret it as \( 1120 \div 1 \):
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Set up the long division: \[ 1120 \div 1 \]
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Divide 1120 by 1:
- The first digit is 1; \( 1 \div 1 = 1 \).
- Write 1 above the dividend (in this case, 1120).
- Subtract \( 1 \) from \( 1 \) to get \( 0 \).
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Bring down the next digit (which is 1 from 1120):
- Now we have \( 0 \) from the previous step and \( 1 \), making it \( 01 \).
- \( 1 \div 1 = 1 \), write 1 above the dividend.
- Subtract \( 1 \) from \( 1 \) to get \( 0 \).
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Bring down the next digit (which is 2 from 1120):
- Now we have \( 0 \) from the previous step and \( 2 \), making it \( 02 \).
- \( 2 \div 1 = 2 \), write 2 above the dividend.
- Subtract \( 2 \) from \( 2 \) to get \( 0 \).
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Bring down the last digit (which is 0 from 1120):
- Now we have \( 0 \) from the previous step and \( 0 \), making it \( 00 \).
- \( 0 \div 1 = 0 \), write 0 above the dividend.
- Subtract \( 0 \) from \( 0 \) to get \( 0 \).
Now we have completed the division, and the result of \( 1120 \div 1 \) is:
\[ 1120 \]
So, converting the fraction to a decimal gives you:
\[ \boxed{1120.0} \]