Question

resolvendo usando a-× = 1/a

a) 7-²
b) 8-²
c) 11-²
d) (-10)-⁵
e) (-3) -2
f) (-3) -³
g) (-3/2) -²
h) (-3/4) - ³
i) 20 -⁴
j) 11 -²
l) (2/3) -2
m) (1/3) -⁴​

Answer 1

Explicação passo-a-passo:

a) (1/7)²= 1/49

b) (1/8)²= 1/64

c) (1/11)²= 1/121

d) ( - 1/10)⁵= - 1/100000

e) ( - 1/3)²= + 1/9

f) ( - 1/3)³= - 1/27

g) (- 2/3)²= +4/9

h) ( - 4/3)³= - 64/27

i) (1/20)⁴= 1/160000

j) (1/11)²= 1/121

l) (3/2)²= 9/4

m) ( 3/1)⁴= 3⁴= 81