350,150 views
18 votes
18 votes
I need help with this !!

I need help with this !!-example-1
User Sanic
by
3.2k points

1 Answer

11 votes
11 votes

Answer:

-27

Explanation:

It looks like you're trying to evaluate ...


\displaystyle 5^{\log_5{8}}-3^{\log_3{5}+\log_3{7}}=8-3^{\log_3{35}}=8-35=\boxed{-27}

__

The relevant rules are ...

b^(log_b(x) = x

log(a)+log(b) = log(ab)

I need help with this !!-example-1
User Unicornist
by
3.2k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.