Question

Na equação: y=2^log(100)+x , y será 16 quando x for igual a: *



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Answer 1

Propriedades:

• $\log a=\log_{10} a$

• $\log_{10}10^n=n$

$y=2^{\log 100}+x\\\\16=2^{\log 100}+x\\\\x=16-2^{\log 100}\\\\x=16-2^2\\\\x=16-4\\\\x=12$