I am using the laws:
1)

2)

3)

an x is a base - the law is valid if the bases are the same number!
The solution in attachment :)
There are no real values for log of 0 or negatives.
So the answer is B
Answer:
2/3.
Step-by-step explanation:
.
Answer:
Deci (símbolo d) es un prefijo del Sistema Internacional que indica un factor de 10−1 (1/10) o una décima parte.