Hi there! :)
Answer:

Given:

The given expression is a logarithm with a base of 10, therefore we can rewrite this as:

Evaluate:

The answer when you evaluate 8P5 is <span> 6,720.</span>
3x + 6x = 9x
9x + 2x = 11x
11x is your answer
hope this helps
If I'm not mistaken, the correct answer would be C: =. Hope this helps :D