The value of {8^-4/3 ÷ 2^-2}^1/2, is
(a) 1/2
(b) 2
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Answer:
√[(2^3)1/3]^(-4) ÷ 2^-2=√ [2^(-4+2)]
=√2^-2
=1/2 .........is answer
(***here whole power 1/2 taken as √ )
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