Question

the value of 3 root (64)^-2 ??

Answer 1

$= 3 \: { \sqrt{64} }^ {\: - 2}$

$= 3 \: \frac{1}{ {64}^{2} }$

$= 3 \: \frac{1}{8}$

$= \frac{3}{8}$

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