Question

Sendo log4=0,60 e log5=0,7 , calcule log100


2,3
1,3
2,0
4,3

Answer 1

㏒(100)

㏒(10²)

2㏒(10)

2 * 1

2

Outra forma

$100|4\\25|5\\5|5\\\\4 * 5^{2}$

㏒(4 * 5²)

㏒(4) +log(5²)

0.6 +2log(5)

0.6 +1.4

2

Answer 2

log100=log(4×5×5)=log4+2.log5=0,6+2.(0,7)

log100=0,6+1,4

log100=2,0

espero ter ajudado!

bom dia!