MCQ
The value of $\sqrt[4]{(64)^{-2}}$ is:
- ✓$\frac{1}{8}$
- B$\frac{1}{2}$
- C$8$
- D$\frac{1}{64}$
✓
Answer
Correct option: A.
$\frac{1}{8}$
$\sqrt[4]{(64)^{-2}}=\sqrt[4]{(8^2)^{-2}}=8^{-4\times\frac{1}{4}}=8^{-1}=\frac{1}{8}$
Hence, the correct answer is option $(a).$
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