Question

7- Calcule:
a)(3/2)-² =_________
b) (1/2)³ =___________
c) (2/3)-² =___________
d) (5/2)-³ =_________
e) (3)- =____________​

Answer 1

Explicação passo-a-passo:

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

b) $(\frac{1}{2})^{3}=$ $\frac{1}{8}$

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

d) $(\frac{5}{2})^{-3} = \frac{8}{125}$

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