Ryan Stewart
02/03/2024 · Elementary School
7. Ross is comparing \( \sqrt{11} \) and \( 5 . \overline{4} \). He says that \( \sqrt{11}>5 . \overline{4} \) because \( \sqrt{11}=5.5 \) a. What is the correct comparison?
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Step-by-step Solution
To compare \( \sqrt{11} \) and \( 5 . \overline{4} \), we need to convert \( 5 . \overline{4} \) to a decimal form.
Given that \( \sqrt{11} = 5.5 \), we can see that \( \sqrt{11} \) is greater than 5.5.
Now, let's convert \( 5 . \overline{4} \) to a decimal form.
\( 5 . \overline{4} \) can be written as \( 5 + \frac{4}{9} \) because the repeating decimal \( \overline{4} \) is equivalent to \( \frac{4}{9} \).
So, \( 5 . \overline{4} = 5 + \frac{4}{9} = 5 + 0.444... = 5.444... \).
Therefore, \( 5 . \overline{4} = 5.444... \).
Comparing \( \sqrt{11} \) and \( 5 . \overline{4} \), we have:
\( \sqrt{11} = 5.5 \) and \( 5 . \overline{4} = 5.444... \).
Since \( 5.5 > 5.444... \), the correct comparison is \( \sqrt{11} > 5 . \overline{4} \).
Quick Answer
\( \sqrt{11} > 5 . \overline{4} \)
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