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Multiply and divide in scientific notation

8th grade (Year 9 in England) · 16 questions · Common Core: 8.EE.A.4 · England: KS3 Number, GCSE Foundation Number

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Date

Score/ 16

  1. Question 1

    Work out (1.2 × 10¹¹) ÷ (3 × 10⁵). Give the answer in scientific notation.

    Answer

  2. Question 2

    Work out (2 × 10²) × (2 × 10⁻¹). Give the answer in scientific notation.

    Answer

  3. Question 3

    Work out (4 × 10⁹) × (8 × 10⁴). Give the answer in scientific notation.

    Answer

  4. Question 4

    Work out (6 × 10⁸) ÷ (2 × 10¹). Give the answer in scientific notation.

    Answer

  5. Question 5

    Work out (2 × 10³) × (1 × 10²). Give the answer in scientific notation.

    Answer

  6. Question 6

    Work out (5 × 10³) × (8 × 10¹). Give the answer in scientific notation.

    Answer

  7. Question 7

    Work out (3 × 10¹⁰) ÷ (1 × 10²). Give the answer in scientific notation.

    Answer

  8. Question 8

    Work out (3 × 10⁴) × (2 × 10²). Give the answer in scientific notation.

    Answer

  9. Question 9

    Work out (3 × 10⁵) × (5 × 10⁶). Give the answer in scientific notation.

    Answer

  10. Question 10

    Work out (3.6 × 10⁷) ÷ (4 × 10³). Give the answer in scientific notation.

    Answer

  11. Question 11

    Work out (2 × 10⁷) × (2 × 10¹). Give the answer in scientific notation.

    Answer

  12. Question 12

    Work out (3 × 10³) × (5 × 10⁶). Give the answer in scientific notation.

    Answer

  13. Question 13

    Work out (7 × 10¹²) ÷ (1 × 10²). Give the answer in scientific notation.

    Answer

  14. Question 14

    Work out (3 × 10⁴) × (1 × 10⁻⁴). Give the answer in scientific notation.

    Answer

  15. Question 15

    Work out (4 × 10⁷) × (5 × 10³). Give the answer in scientific notation.

    Answer

  16. Question 16

    Work out (3.2 × 10¹⁰) ÷ (4 × 10³). Give the answer in scientific notation.

    Answer

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Answer key: Multiply and divide in scientific notation

  1. 1. 4 × 10⁵

  2. 2. 4 × 10¹

  3. 3. 3.2 × 10¹⁴

  4. 4. 3 × 10⁷

  5. 5. 2 × 10⁵

  6. 6. 4 × 10⁵

  7. 7. 3 × 10⁸

  8. 8. 6 × 10⁶

  9. 9. 1.5 × 10¹²

  10. 10. 9 × 10³

  11. 11. 4 × 10⁸

  12. 12. 1.5 × 10¹⁰

  13. 13. 7 × 10¹⁰

  14. 14. 3 × 10⁰

  15. 15. 2 × 10¹¹

  16. 16. 8 × 10⁶