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ZIMSEC O-Level Additional Mathematics

6.1.1Indices and irrational numbers

Indices and irrational numbers in ZIMSEC O-Level Additional Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Topic45 practice questions2 lessons
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Lessons

  • Indices and exponential equations

    35 min

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  • Surds and exact answers

    35 min

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Sample question

A sample question on this topic. Answer it, check it, then read the worked answer.

Indices and irrational numbers: sample question

1 mark

Without a calculator, evaluate 823×4−128^{\frac{2}{3}} \times 4^{-\frac{1}{2}}.

Only if the answer has a unit, e.g. cm or km/h.

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