for the first one it is the second option because of one property of logarithms:
log(a)-log(b)=log
for the second one using the same property we can say that we third option is correct and not the second one but we use one more property of the logarithm
loga(b)^x=xloga(b) the power of the logarithm becomes a fator and
is equal to 
Answer:
y = -
x-
Step-by-step explanation:
Answer:
3.85 x 10-7
8.53 x 10-5
0.00000538
3.58 x 10-6
Step-by-step explanation:
Answer: f(x)=
Step-by-step explanation:
You should try and put it in another way it doesn’t make sense