Question

9-Calcule o valor de:
a)3^1
b)3^0
c)(1/2)^-1
d)3^-1
e)3^-2
f)(1/5)^-2
g)3^-3
h)3^-4
i)(-5/2)^-3


​

Answer 1

Resposta:

Explicação passo-a-passo:

9-Calcule o valor de:

a)3^1

= 3

b)3^0

= 1

c)(1/2)^-1 = 2^1

= 2

d)3^-1 = (1/3)^1

= 1/3

e)3^-2 = (1/3)^2

= 1/9

f)(1/5)^-2 = 5^2

= 25

g)3^-3 = (1/3)^3

= 1/27

h)3^-4 = (1/3)^4

= 1/81

i)(-5/2)^-3 = (-2/5)^3

= - 8/125