Question

2) Calcule
-2
a)
3)
3)
-1
b)
-3
c)
is
--4
3
d)
2​

Answer 1

Explicação passo-a-passo:

.

$( \dfrac{2}{9} ) {}^{ - 2}$

$( \dfrac{9}{2} ) {}^{2}$

$\dfrac{81}{4}$

.

$( \dfrac{5}{7} ) {}^{ - 1}$

$\dfrac{7}{5}$

.

$( \dfrac{1}{6} ) {}^{ - 3}$

$6 {}^{3}$

$216$

.

$( \dfrac{3}{2} ) {}^{ - 4}$

$( \dfrac{2}{3} ) {}^{4}$

$\dfrac{16}{81}$

Answer 2

Resposta:

a) (2/9).(2/9)= 4/81

b) (5/7)= (5/7)

c ) (1/6)= (1/6).(1/6).(1/6)=