Question

me ajudem pfv . agradeço!​

Answer 1

a)

${10}^{ - 2} = ( \frac{1}{10} )^{2} = \frac{1}{100}$

b)

$( - \frac{2}{3} )^{ - 3} = ( - \frac{3}{2} ) ^{3} = - \frac{27}{8}$

c)

$( { - 3})^{ - 3} = ( - \frac{1}{3} ) {^{3} } = - \frac{1}{27}$

d)

$( + \frac{2}{3} )^{ - 2} = ( + \frac{3}{2} )^{2} = + \frac{9}{4}$