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Calculate the value
Answer
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$\dfrac { 1 } { 2 }$
Calculate the value
$2 ^ { \color{#FF6800}{ - } \color{#FF6800}{ 1 } }$
$ $ If the exponent is negative, change it to a fraction $ $
$\dfrac { 1 } { 2 ^ { 1 } }$
$\dfrac { 1 } { 2 ^ { \color{#FF6800}{ 1 } } }$
$ $ If the exponent is 1, get rid of it as it is unnecessary $ $
$\dfrac { 1 } { 2 }$
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