Question

1) Efetue as potenciações
pfv alguém ajuda?
quero resposta de todos​

Answer 1

a)

$4^{ - 3} = \frac{1}{4}^{3} = \frac{1}{64}$

b)

${5}^{ - 3} = \frac{1}{5}^{3} = \frac{1}{125}$

c)

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

d)

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

e)

${4}^{ - 2} = { \frac{1}{4} }^{2} = \frac{1}{16}$

f)

${5}^{ - 2} = \frac{1}{5} {}^{2} = \frac{1}{25}$

g)

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

h)

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

resposta

i) 1/4

k) 3/2

l) (-3/2)