Question

value of (2^-²)-½ Is _______

Answer 1

Step-by-step explanation:

$({ {2}^{ - 2} })^{ \frac{ - 1}{2} }$

$( \frac{1}{ {2}^{2} } )^ \frac{ - 1}{2}$

${( \frac{1}{4} )}^{ \frac{ - 1}{2} }$

$( {4})^{ \frac{1}{2} }$

$2$