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Combine the laws of exponents

8th grade (Year 9 in England) · 16 questions · Common Core: 8.EE.A.1 · England: KS3 Number, GCSE Foundation Number

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Date

Score/ 16

  1. Question 1

    Which statement is correct?

    • A. x⁴ × x³ = x¹²
    • B. x⁴ × x³ = x⁷
    • C. x⁴ ÷ x³ = x⁷
    • D. (x⁴)³ = x⁷
  2. Question 2

    Work out (2³)² ÷ 2³. Give a whole number or fraction.

    Answer

  3. Question 3

    (x² × x³) ÷ x¹ = xᵏ. What is k?

    Answer

  4. Question 4

    Which statement is correct?

    • A. x² ÷ x² = x¹
    • B. (x³)⁵ = x⁸
    • C. x² × x² = x⁴
  5. Question 5

    Work out (2⁴)³ ÷ 2⁵. Give a whole number or fraction.

    Answer

  6. Question 6

    (x² × x²) ÷ x⁵ = xᵏ. What is k?

    Answer

  7. Question 7

    Which statement is correct?

    • A. (x⁵)³ = x⁸
    • B. x⁵ × x² = x¹⁰
    • C. x⁵ × x² = x⁷
    • D. x⁵ ÷ x² = x⁷
  8. Question 8

    Work out (2³)³ ÷ 2⁹. Give a whole number or fraction.

    Answer

  9. Question 9

    (x⁶ × x³) ÷ x⁵ = xᵏ. What is k?

    Answer

  10. Question 10

    Which statement is correct?

    • A. (x⁵)⁵ = x¹⁰
    • B. x⁵ × x⁴ = x⁹
    • C. x⁵ ÷ x⁴ = x⁹
    • D. x⁵ × x⁴ = x²⁰
  11. Question 11

    Work out (2³)³ ÷ 2². Give a whole number or fraction.

    Answer

  12. Question 12

    (x² × x²) ÷ x² = xᵏ. What is k?

    Answer

  13. Question 13

    Which statement is correct?

    • A. x⁴ ÷ x³ = x⁷
    • B. x⁴ × x³ = x⁷
    • C. x⁴ × x³ = x¹²
    • D. (x⁴)² = x⁶
  14. Question 14

    Work out (2²)³ ÷ 2⁴. Give a whole number or fraction.

    Answer

  15. Question 15

    (x⁵ × x³) ÷ x⁴ = xᵏ. What is k?

    Answer

  16. Question 16

    Which statement is correct?

    • A. x⁴ × x⁴ = x¹⁶
    • B. x⁴ × x⁴ = x⁸
    • C. (x³)⁴ = x⁷
    • D. x⁴ ÷ x⁴ = x¹

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  1. x⁴ × x³ = x⁷
  2. 8
  3. 4
  4. x² × x² = x⁴
  5. 128
  6. -1
  7. x⁵ × x² = x⁷
  8. 1
  9. 4
  10. x⁵ × x⁴ = x⁹
  11. 128
  12. 2
  13. x⁴ × x³ = x⁷
  14. 4
  15. 4
  16. x⁴ × x⁴ = x⁸