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Edexcel IGCSE Math A 1.8.B decimal places and significant figures

Practise rounding-accuracy questions by keeping enough digits during working, then giving the answer to the requested precision.

Syllabus
First assessment 2018
Course
Math A 4MA1
Level
Higher

Exam points

  • Round decimal numbers to the requested decimal places or significant figures.
  • Give a previous calculated answer to the requested accuracy after keeping enough digits.
  • Round values such as 0.786, 25.78621 or calculator outputs without premature rounding.

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