1) log2 16 = 4, because 2^4 = 162) log0,2 0,4 = undefined, because the base (0.2) cannot be zero or negative3) log5 22 - log5 11 - log5 10 = log5 (22/11/10) = log5 (2) = 1, because 5^1 = 2
1) log2 16 = 4, because 2^4 = 16
2) log0,2 0,4 = undefined, because the base (0.2) cannot be zero or negative
3) log5 22 - log5 11 - log5 10 = log5 (22/11/10) = log5 (2) = 1, because 5^1 = 2