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Algebra Level 1

\[ \cfrac1{2 \div \cfrac1{2 \div \cfrac1{2\div \cfrac1{2\div \cfrac12 }}}} = \, ? \]

\[ 2^{-3} \] \[ 2^{-4} \] \[ 2^{-5} \] \[ 2^{-6} \]

Excel in math and science

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by Chung Kevin

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