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CAIE IGCSE Mathematics Core C1.8.1 Use the Standard Form a 10n Where N Is a Positive or Negative Integer Questions

Work through Core CAIE IGCSE Mathematics standard-form questions by checking the coefficient range and comparing powers of ten.

Syllabus
2028–2030
Course
Mathematics 0580
Level
Core

Exam points

  • write numbers in standard form with 1 ≤ a < 10
  • compare numbers in standard form using their powers of ten
  • identify and explain when a number is not in standard form

CAIE IGCSE Mathematics Core C1.8.1 Use the Standard Form a 10n Where N Is a Positive or Negative Integer Questions question 1

[Maximum number: 1]

Sam writes 851000 in standard form as 85.1×10485.1\times10^4.
Explain why 85.1×10485.1\times10^4 is not a number in standard form.

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