43
If log3x2 = -8, what is x?
- A. \(\frac{1}{3}\)
- B. \(\frac{1}{9}\)
- C. \(\frac{1}{27}\)
- D. \(\frac{1}{81}\)
44
If 27\(^{x + 2}\) \(\div\) 9\(^{x + 1}\) = 3\(^{2x}\), find x.
- A. 3
- B. 4
- C. 5
- D. 6
45
A man earns N3,500 per month out of which he spends 15% on his children’s education. If he spends additional N1,950 on food, how much does he have left?
- A. N525
- B. N1,025
- C. N1,950
- D. N2,975
46
Evaluate \(\frac{21}{9}\) to 3 significant figures
- A. 2.30
- B. 2.31
- C. 2.32
- D. 2.33
47
Simply \(\frac{2\frac{2}{3} \times 1\frac{1}{2}}{4\frac{4}{5}}\)
- A. \(1\frac{1}{4}\)
- B. \(1\frac{1}{6}\)
- C. \(\frac{5}{6}\)
- D. \(\frac{4}{5}\)
48
Convert 112\(_6\) to a number in base three
- A. 2211
- B. 2121
- C. 1212
- D. 1122