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Powers & Exponents

Maths · Grade 8 · Week 9 · 25 questions

Exponents are a shorthand for repeated multiplication — they let you express very large or very small numbers efficiently. Understanding the laws of exponents is essential for algebra and scientific notation.

What you'll practise

  • Apply the laws of exponents
  • Simplify expressions with powers
  • Work with negative and zero exponents
  • Convert between exponential and standard form
All 25 questions in this Powers & Exponents quiz

Grade 8 MathsPowers & Exponents: 25 practice questions with instant scoring and explanations.

  1. Express 7^(-2) = ?
  2. Calculate 8^2 = ?
  3. Calculate 3^2 = ?
  4. Calculate 3^3 = ?
  5. Simplify 8^1 × 8^1 = ?
  6. Simplify 5^3 × 5^3 = ?
  7. Simplify 3^3 ÷ 3^2 = ?
  8. Calculate 8^5 = ?
  9. Simplify 7^1 × 7^3 = ?
  10. Express 6^(-2) = ?
  11. Simplify 4^6 ÷ 4^2 = ?
  12. Simplify 8^6 ÷ 8^1 = ?
  13. Simplify 2^5 ÷ 2^3 = ?
  14. Calculate 5^2 = ?
  15. Simplify 7^3 × 7^4 = ?
  16. Simplify 4^4 × 4^2 = ?
  17. Simplify 7^6 ÷ 7^2 = ?
  18. Simplify 5^1 × 5^1 = ?
  19. Simplify 2^3 × 2^4 = ?
  20. Simplify 8^3 × 8^3 = ?
  21. Simplify 5^3 ÷ 5^2 = ?
  22. Simplify 7^3 ÷ 7^1 = ?
  23. Simplify 3^6 ÷ 3^2 = ?
  24. Simplify 2^4 × 2^2 = ?
  25. Calculate 3^4 = ?
Question 1 of 250 correct so far

Express 7^(-2) = ?