(26) If \( \log_{3}(81) = x \), what is the value of \( x \)?
- (a) 4
- (b) 3
- (c) 2
- (d) 1
(27) If \( \log_{7}(49) = x \), what is the value of \( x \)?
- (a) 2
- (b) 3
- (c) 4
- (d) 1
(28) If \( \log_{a}(x) = p \) and \( \log_{b}(x) = q \), what is \( \log_{ab}(x) \)?
- (a) \(p + q\)
- (b) \(p \cdot q\)
- (c) \(p – q\)
- (d) \(q – p\)
(29) Solve for \( x \) in the equation \( 2^x = 16 \).
- (a) 4
- (b) 3
- (c) 2
- (d) 1
(30) If \( \log_{3}(x) = 2 \) and \( \log_{9}(x) = 1 \), what is \( \log_{27}(x) \)?
- (a) 1
- (b) 2
- (c) 3
- (d) 4