Question

Want to make sure, if I did it right?

Answer 1

some of these are phrased rather strangely, but for number 4 I ask you to consider:
what is\[\log(-1)\]

Answer 2

or "what is \(\log(-10)\)?"
if you prefer...

Answer 3

besides number 4 the rest look right

Answer 4

okay thank u, log(-10) = error..

Answer 5

so its T