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Compare and order numbers in scientific notation

8th grade (Year 9 in England) · 8 questions · Common Core: 8.EE.A.3 · England: KS3 Number, GCSE Foundation Number

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  1. Question 1

    Which is larger: 8.1 × 10⁵ or 1.3 × 10⁶?

    • A. 8.1 × 10⁵
    • B. 1.3 × 10⁶

  2. Question 2

    Which is larger: 1.3 × 10⁶ or 6.6 × 10⁷?

    • A. 1.3 × 10⁶
    • B. 6.6 × 10⁷

  3. Question 3

    Which is larger: 3.9 × 10⁷ or 5.5 × 10⁸?

    • A. 3.9 × 10⁷
    • B. 5.5 × 10⁸

  4. Question 4

    Which is larger: 6.1 × 10⁷ or 4.1 × 10⁸?

    • A. 6.1 × 10⁷
    • B. 4.1 × 10⁸

  5. Question 5

    Which is larger: 9.6 × 10⁷ or 1.5 × 10⁸?

    • A. 9.6 × 10⁷
    • B. 1.5 × 10⁸

  6. Question 6

    Which is larger: 3.8 × 10⁶ or 9.1 × 10⁷?

    • A. 3.8 × 10⁶
    • B. 9.1 × 10⁷

  7. Question 7

    Which is larger: 2.4 × 10⁷ or 2 × 10⁸?

    • A. 2.4 × 10⁷
    • B. 2 × 10⁸

  8. Question 8

    Which is larger: 4.8 × 10⁷ or 9.9 × 10⁸?

    • A. 4.8 × 10⁷
    • B. 9.9 × 10⁸

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Answer key: Compare and order numbers in scientific notation

  1. 1. B. 1.3 × 10⁶

  2. 2. B. 6.6 × 10⁷

  3. 3. B. 5.5 × 10⁸

  4. 4. B. 4.1 × 10⁸

  5. 5. B. 1.5 × 10⁸

  6. 6. B. 9.1 × 10⁷

  7. 7. B. 2 × 10⁸

  8. 8. B. 9.9 × 10⁸