Can someone show me the steps? Thanks! HELPPPPPPPPPPP

Question

asked Mar 11, 2018 22.1k views

1 Answer

Zulaxia · Answer 1 · 2018-03-15T14:07:13+0000

It's just one of those obscure log rules that you need to memorize:
10^(log(x))=x
likewise,
3^(log3(x))=x, x=7 in this case.
Thus A