Multiply and simplify: -3ab^3 • (-4a^4b^5)

a) -12a^5b^8
b) -12a^4b^15
c) 12a^5b^8
d) 12a^4b^15

you didn't post any answer choices, so its not 100% clear what your teacher is looking for

however, log(15/7) is equivalent to log(15) - log(7)

i'm using the rule log(x/y) = log(x) - log(y)

sorry i just need to anwers this to get points

step-by-step explanation:

[2, 2.5)

(2.5, 3]

step-by-step explanation:

i think its these two not sure [2, 2.5)

(2.5, 3]