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IB Mathematics: Applications and Interpretation SL · 12.6: Exponents & Logarithms · 12.6.4

Exponents and logarithms: exam review Exam review: second paper Answers

Section A: short questions

    1. (a) 3.56
    2. (b) \(x=\frac{99}{4}\) (24.8)
    3. (c) \(x=e^{\frac{9}{4}}\) (9.49)
    1. (a) \(a = \frac{2}{3}\), p = 19
    2. (b) \(\frac{125}{8}\)
    1. (a) \(\frac{125}{27}\)
    2. (b) \(a = \frac{1}{2}\), p = 11
    1. (a) x = 6.48
    2. (b) x = 4
    1. (a) \(2.4\times10^{4}\)
    2. (b) \(8.16\times10^{9}\)
    3. (c) \(7.2\times10^{12}\)
    1. (a) \(3.16\times10^{-4}\)
    2. (b) 1000

Section B: long questions

    1. (a) 30; 60.3
    2. (b) 11.5
    3. (c) 12.1
    4. (d) 16.5
    1. (a) 60; 17.3
    2. (b) 22%
    3. (c) t = 3.52 hours
    4. (d) 14 hours

jmaths.xyz · AI SL · 12.6.4 Unit review