QuestionEvaluate without a calculator: (7 marks) a) $\log _{2} \frac{1}{4}$ b) $\log \frac{1}{3}+(\log 27-\log 9)$ c) $\log 1200-\log 3-\log 4$

Studdy Solution
Since $\log 10 = 1$, simplify the expression:
$$2 \log 10 = 2 \times 1 = 2$$
The value of $\log 1200 - \log 3 - \log 4$ is $2$.
The solutions are: a) $-2$ b) $0$ c) $2$