Question

The value of \(\sqrt{0.0064}\) is

• A. 0.08
• B. 0.008
• C. 0.8
• D. 0.064

Hint:

Convert to a fraction over a power of 100 so both numerator and denominator are perfect squares.

Answer 1

The Correct Option is A

Step 1: Count decimal places.
$0.0064$ has 4 decimal places, so its root has $2$.
Step 2: Root of the digits.
$\sqrt{64}=8$, placed with 2 decimals gives $0.08$.
\[\boxed{0.08}\]