Question

me ajudem por favor!!!!!​

Answer 1

d)

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

e)

$(-6)^{-2} = \frac{1}{6^{2} } =\frac{1}{36}$

f)

$(\frac{1}{9} )^{-2} = 9^{2} = 81$