Question

Qual é o logaritmo de 25 na base 100? Considere log5=0,699.

Answer 1

Log 25 na base 100
mudando pra base 10:
Log 25/ Log 100 (já na base 10)
Log (5.5)/log (10.10)
Log 5+ Log 5/ Log 10+ Log 10
0,699+ 0,699/ 1+1
1,398/2
0,699