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Cambridge IGCSE Mathematics

1.8Standard form

Standard form in Cambridge IGCSE Mathematics: what the syllabus expects you to know, the learning objectives and how to practise.
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Learning objectives

What the syllabus expects you to be able to do.

  1. 1.8.1Write numbers in the form A × 10ⁿ, where 1 ≤ A < 10 and n is an integer, and convert them back to ordinary numbers.
  2. 1.8.2Calculate with numbers in standard form (Core candidates do this on the calculator paper only).

Lessons

  • Standard form

    30 min

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Sample question

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

Standard form: sample question

1 mark

Write 5.07×10−45.07 \times 10^{-4} as an ordinary number.

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