Question

a]qual o log de 1 na base0,5
b]qual o log de 5elevado a 4 na base5

Answer 1

a)

$\log_{0,5}1=a\\\\0,5^a=1\\\\0,5^a=0,5^0\\\\\boxed{a=0}$

b)

$\log_55^4=b\\\\5^b=5^4\\\\\boxed{b=4}$