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

Exponents and logarithms: exam review Exam review Answers

Section A: short questions

    1. (a) 2.40
    2. (b) \(x=\frac{103}{2}\) (51.5)
    3. (c) \(x=e^{\frac{5}{3}}\) (5.29)
    1. (a) \(a = \frac{3}{2}\), p = 11
    2. (b) \(\frac{16}{9}\)
    1. (a) \(\frac{81}{16}\)
    2. (b) \(a = 8\), p = 8
    1. (a) x = 4.39
    2. (b) x = 5
    1. (a) \(1.28\times10^{6}\)
    2. (b) \(4.05\times10^{12}\)
    3. (c) 3200 gigabytes
    1. (a) \(1.58\times10^{14}\)
    2. (b) 3.16e+04

Section B: long questions

    1. (a) 45; 88.8
    2. (b) 13.2
    3. (c) 13.2
    4. (d) 20.3
    1. (a) 250; 109
    2. (b) 8%
    3. (c) t = 11.0 days
    4. (d) 31 days

jmaths.xyz · AI SL · 12.6.4 Unit review