Question

 log5 625 + log100 - log3 27

Answer 1

log5 625

$5^{x}=625$

$5^{x}= 5^{4}$
$x=4$

log 100= 2

log3 27
$3^{x}=27$
$3^{x} = 3^{3}$
x=3

4+2-3
6-3
3