Question

plz answers this ASAP​

Answer 1

Answer:

${a}^{b} - {b}^{a}$

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

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

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

$- \frac{1}{2} - 1$

$- \frac{3}{2}$

$\mathtt{Decimal \: Form: -1.5}$