Question:

Find the square root of the following decimal: \(0.004\).

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When finding square roots of decimals, convert them into fractions or scientific notation for easier calculations.
Updated On: Sep 30, 2025
  • 0.002
  • 0.016
  • 0.0632
  • 0.02
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The Correct Option is D

Solution and Explanation

Step 1: Write the decimal in fraction form.
\[ 0.004 = \frac{4}{1000} = \frac{1}{250} \]
Step 2: Square root of fraction.
\[ \sqrt{0.004} = \sqrt{\frac{1}{250}} = \frac{1}{\sqrt{250}} \]
Step 3: Approximate the denominator.
\(\sqrt{250} \approx 15.81\). So: \[ \frac{1}{15.81} \approx 0.0632 \]
Final Answer: \[ \boxed{0.0632} \]
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