If logarithms confuse you, here’s a simpler way to approach this problem: What power of 2 equals 128? We know that 2^3 equals 8, thus 2^4 must equal 16. Continuing to double each time, we find that 2^5 equals 32, 2^6 equals 64, and 2^7 equals 128. Hence, the value of log₂128 is 7.