Question

alguém sabe por favor????​

Answer 1

a)

${( \frac{2}{3} )}^{ - 1} = \frac{3}{2}$

b)

${( \frac{3}{5} )}^{ - 3} = {( \frac{5}{3}) }^{3} = \frac{125}{27}$

c)

${( - \frac{2}{7}) }^{ - 2} = {( - \frac{7}{2} )}^{2} = - \frac{7}{2} \times - \frac{7}{2} = \frac{49}{4}$

d)

${6}^{ - 3} = {( \frac{1}{6} )}^{3} = \frac{1}{216}$

e)

${10}^{ - 1} = \frac{1}{10}$

Answer 2

Resposta:

a)3/2

b)125/27

c)49/4

d)1/216

e)1/10