| Exam Board | SPS |
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| Module | SPS SM (SPS SM) |
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| Year | 2021 |
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| Session | January |
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| Topic | Exponential Equations & Modelling |
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8.
Solve each of the following equations, giving the final answers correct to three significant figures, where appropriate.
a) \(\quad 7 ^ { x } = 10\).
b) \(\quad \log _ { 2 } y = \frac { 9 } { \log _ { 2 } y }\).