Select all that are equal to 3.

A logarithm asks what power of its base gives the number. Since 2³ = 8, log₂8 = 3; since 3³ = 27, log₃27 = 3; and since 10³ = 1,000, log₁₀1,000 = 3. Choice B is not equal to 3 because 4² = 16, so log₄16 = 2.

AI-written and checked against the verified answer.