Respuesta :

Answer:

[tex] \boxed{ y = 10000}[/tex]

Step-by-step explanation:

[tex] \boxed{question \: 1.} \\ log(y) + 100 = 104 \\ log(y) = 104 - 100 \\ log(y) = 4 \\ but \: log(x) = log_{10}(x) \to \\ log_{10}(y) = 4 \\ y = 10 {}^{4} \\ \boxed{ y = 10000}[/tex]

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