Question

State whether it is a pure surd or mixed surd $\sqrt{0.4}$

• A. Pure surd
• B. Mixed surd
• C. not a surd
• D. none of above

Answer 1

Answer: (B)

Mixed surd

$\sqrt{0.4}=\sqrt{0.1\times 2^2}=2\sqrt{0.1}$, it is a mixed surd.