Question

Qual o valor de log3 27-log100+log5 625?

Answer 1

Boa tarde,

Vale lembrar:

LogₐB = X

LogB = Log₁₀B

Resolvendo:

Log₃27 = x
3ˣ = 27
3ˣ = 3³
x = 3

Log₁₀100 = a
10ᵃ = 100
10ᵃ = 10²
a = 2

Log₅625 = b
5ᵇ = 625
5ᵇ = 5⁴
b = 4

Finalizando:

x - a + b

3 - 2 + 4

5