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Cambridge IGCSE Mathematics

2.4Indices II

Indices II in Cambridge IGCSE Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
Subtopic20 practice questions1 lesson

Learning objectives

What the syllabus expects you to be able to do.

  1. 2.4.1Use positive, zero and negative indices in algebraic expressions (Extended: also fractional indices).
  2. 2.4.2Use the rules of indices to simplify algebraic expressions and to solve simple equations with the unknown in the index.

Lessons

  • Laws of indices in algebra

    35 min

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Sample question

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

Indices II: sample question

1 mark

Simplify 3a4×5a23a^4 \times 5a^2.

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