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Grade 8hard

Grade 8 Scientific Notation

Practice grade 8 scientific notation with problems on converting between standard form and scientific notation. Eighth grade develops fluency with very large and very small numbers.

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All 20 Practice Problems

Every question in this set. Solve them on paper, or use the interactive tool above for instant feedback and hints.

  1. 1.Write in scientific notation: 45,000
  2. 2.Write in scientific notation: 0.0023
  3. 3.Write in standard form: 3.5 × 10³
  4. 4.Write in standard form: 6.2 × 10⁻²
  5. 5.Write in scientific notation: 7,800,000
  6. 6.Write in scientific notation: 0.000045
  7. 7.Write in standard form: 2.1 × 10⁵
  8. 8.Write in standard form: 8.9 × 10⁻⁴
  9. 9.Write in scientific notation: 123,000
  10. 10.Write in scientific notation: 0.0000067
  11. 11.Write in standard form: 4.56 × 10²
  12. 12.Write in standard form: 7.3 × 10⁻³
  13. 13.Write in scientific notation: 89,500,000
  14. 14.Write in scientific notation: 0.000789
  15. 15.Write in standard form: 1.2 × 10⁶
  16. 16.Write in standard form: 5.5 × 10⁻¹
  17. 17.Write in scientific notation: 3,400
  18. 18.Write in scientific notation: 0.12
  19. 19.Write in standard form: 9.01 × 10⁴
  20. 20.Write in standard form: 2.5 × 10⁻⁵
Show answer key
  1. 1.Write in scientific notation: 45,000 Answer: 4.5 × 10^4
  2. 2.Write in scientific notation: 0.0023 Answer: 2.3 × 10^-3
  3. 3.Write in standard form: 3.5 × 10³ Answer: 3500
  4. 4.Write in standard form: 6.2 × 10⁻² Answer: 0.062
  5. 5.Write in scientific notation: 7,800,000 Answer: 7.8 × 10^6
  6. 6.Write in scientific notation: 0.000045 Answer: 4.5 × 10^-5
  7. 7.Write in standard form: 2.1 × 10⁵ Answer: 210000
  8. 8.Write in standard form: 8.9 × 10⁻⁴ Answer: 0.00089
  9. 9.Write in scientific notation: 123,000 Answer: 1.23 × 10^5
  10. 10.Write in scientific notation: 0.0000067 Answer: 6.7 × 10^-6
  11. 11.Write in standard form: 4.56 × 10² Answer: 456
  12. 12.Write in standard form: 7.3 × 10⁻³ Answer: 0.0073
  13. 13.Write in scientific notation: 89,500,000 Answer: 8.95 × 10^7
  14. 14.Write in scientific notation: 0.000789 Answer: 7.89 × 10^-4
  15. 15.Write in standard form: 1.2 × 10⁶ Answer: 1200000
  16. 16.Write in standard form: 5.5 × 10⁻¹ Answer: 0.55
  17. 17.Write in scientific notation: 3,400 Answer: 3.4 × 10^3
  18. 18.Write in scientific notation: 0.12 Answer: 1.2 × 10^-1
  19. 19.Write in standard form: 9.01 × 10⁴ Answer: 90100
  20. 20.Write in standard form: 2.5 × 10⁻⁵ Answer: 0.000025

About This Practice

This practice set includes 20 scientific notation problems for eighth graders. Understanding scientific notation is essential for science, engineering, and data analysis.

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