Question

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Answer 1

Resposta:

a) 3

b) -1

c) 4

d) 5

Explicação passo-a-passo:

a) (1/7)^x = (1/243)

x^√(1/243) = (1/7)

243 = 7^3

x^√1/7^3 = (1/7)

(1/7)^3 = 1/243

x = 3

b) 5^x = 1/5

5^1 = 5

5^-1 = 1/5, logo,

x = -1

c) x^3 = 64

3^√64 = 3^√64

x = 3^√64

64 = 4^3, logo,

x = 4

d) (-2)^x = -32

√(-2)^x= x^-√32

-32 = (-2)^5

x = x^-√32, logo,

x = 5

Answer 2

boa sorte!!!!!!!!!!!!