What's the answer will award brainiest

Answer: I'm unsure.. I'm using a site to help me on this and its giving a different answer than than the listed above.
Log 10 (4) and log 10(7)
Step-by-step explanation:
Answer:
Step-by-step explanation:
4ˣ - 2 = 7
4ˣ = 7 + 2
4ˣ = 9
x = log₄ 9