Question

1. Calcule:
a) 2
4
. 2
2 =
b) (
2
3
)
−1
. (
2
3
)
4
=
c) 7
5
: 2
−3 =
d) (−
1
2
)
−1
. (−
1
3
)
1
=
e) (2
3
)
2 =
f) [(−
1
3
)
3
]
−1
=

Answer 1

Resposta:

a)528

b)2116

c)34,5

d) 2

e) 46

f) -40

Explicação passo-a-passo:

a) 24. 22 =

528

b) (23)−1. (23)4=

23 -1. 23.4

-23.92

2116

c) 75: 2−3 =

37,5-3

34,5

d) (−12)−1. (−13)1=

-12 -1 . -13 +1

-12 +13+1

2

e) (23)2 =

23.2

46

f) [(−13)3]−1=

-13.3 -1

-39-1

-40