Question

find the magnitude of 1/4¡^7

Answer 1

$magnitude \: = \sqrt{ { \frac{1}{4} }^{7} } \\ = \ { \frac{1}{4} }^{ \frac{7}{2} } \\ = { \frac{1}{2} }^{ \frac{7}{2} \times 2 } \\ = { \frac{1}{2} }^{7} \\ = \frac{1}{128}$
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