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Divide numbers in scientific notation

Grade 8 math · Fieldbook Learning

Name ______________________ Date __________

Multiply or divide the numbers in front, then combine the powers of 10. Make sure the front number is between 1 and 10.

  1. Divide: (3.1 × 10²) ÷ (4 × 10⁶). Write the answer in scientific notation, like 4.7 × 10^3.
  2. Divide: (2.6 × 10⁶) ÷ (4 × 10⁴). Write the answer in scientific notation, like 4.7 × 10^3.
  3. Divide: (7.8 × 10⁴) ÷ (8 × 10⁴). Write the answer in scientific notation, like 4.7 × 10^3.
  4. Divide: (4.3 × 10²) ÷ (2.5 × 10²). Write the answer in scientific notation, like 4.7 × 10^3.
  5. Divide: (6.2 × 10⁶) ÷ (8 × 10²). Write the answer in scientific notation, like 4.7 × 10^3.
  6. Divide: (8.4 × 10⁵) ÷ (2.5 × 10⁴). Write the answer in scientific notation, like 4.7 × 10^3.
  7. Divide: (1.4 × 10⁷) ÷ (5 × 10²). Write the answer in scientific notation, like 4.7 × 10^3.
  8. Divide: (4.2 × 10⁸) ÷ (4 × 10⁵). Write the answer in scientific notation, like 4.7 × 10^3.
  9. Divide: (6.1 × 10⁷) ÷ (4 × 10¹⁰). Write the answer in scientific notation, like 4.7 × 10^3.
  10. Divide: (4.6 × 10⁹) ÷ (4 × 10⁵). Write the answer in scientific notation, like 4.7 × 10^3.
  11. Divide: (7.5 × 10⁵) ÷ (2.5 × 10³). Write the answer in scientific notation, like 4.7 × 10^3.
  12. Divide: (4.1 × 10⁷) ÷ (2.5 × 10⁸). Write the answer in scientific notation, like 4.7 × 10^3.
  13. Divide: (7.5 × 10⁵) ÷ (2.5 × 10⁵). Write the answer in scientific notation, like 4.7 × 10^3.
  14. Divide: (7.9 × 10⁵) ÷ (2 × 10²). Write the answer in scientific notation, like 4.7 × 10^3.
  15. Divide: (2.9 × 10³) ÷ (4 × 10¹²). Write the answer in scientific notation, like 4.7 × 10^3.
  16. Divide: (2.9 × 10²) ÷ (2 × 10³). Write the answer in scientific notation, like 4.7 × 10^3.
  17. Divide: (3.1 × 10¹¹) ÷ (2.5 × 10¹²). Write the answer in scientific notation, like 4.7 × 10^3.
  18. Divide: (6.1 × 10⁵) ÷ (8 × 10¹⁴). Write the answer in scientific notation, like 4.7 × 10^3.
  19. Divide: (6.7 × 10⁶) ÷ (2.5 × 10¹¹). Write the answer in scientific notation, like 4.7 × 10^3.
  20. Divide: (6.2 × 10²) ÷ (5 × 10⁷). Write the answer in scientific notation, like 4.7 × 10^3.
More free practice: fieldbooklearning.com/ca/practice/grade-8/divide-numbers-in-scientific-notation/

Answer key: Divide numbers in scientific notation

  1. 7.75 × 10^-5
  2. 6.5 × 10^1
  3. 9.75 × 10^-1
  4. 1.72 × 10^0
  5. 7.75 × 10^3
  6. 3.36 × 10^1
  7. 2.8 × 10^4
  8. 1.05 × 10^3
  9. 1.525 × 10^-3
  10. 1.15 × 10^4
  11. 3 × 10^2
  12. 1.64 × 10^-1
  13. 3 × 10^0
  14. 3.95 × 10^3
  15. 7.25 × 10^-10
  16. 1.45 × 10^-1
  17. 1.24 × 10^-1
  18. 7.625 × 10^-10
  19. 2.68 × 10^-5
  20. 1.24 × 10^-5