Question

Cologaritimo de 10000
OBS É/ -4

Answer 1

$Colog_ab = -lob_ab$

$Colog_{10}10000\\-Log_{10}10^4\\-4$

Dúvidas só perguntar XD

Answer 2

colog ₐb =–logₐb

colog10000=colog10⁴=4colog10

=4.(–1)=–4