Math 8 · Unit 1: Integers · Cambridge Lower Secondary Maths Stage 8

Questions

1. 1. Write as a single power 3² × 3

   • 3⁴
   • 3³
   • 3²
   • 3¹
   Check

2. 2. Write as a single power 7 × 7³

   • 7²
   • 7⁴
   • 7⁵
   • 7³
   Check

3. 3. Write as a single power 12 × 12⁵

   • 12⁷
   • 12⁶
   • 12⁴
   • 12⁵
   Check

4. 4. Write as a single power 15⁴ × 15

   • 15⁴
   • 15³
   • 15⁵
   • 15⁶
   Check

5. 5. Write as a single power 6³ × 6³

   • 6⁶
   • 6⁰
   • 6⁷
   • 6⁹
   Check

6. 6. Write as a single power 10⁵ × 10²

   • 10³
   • 10¹⁰
   • 10⁸
   • 10⁷
   Check

7. 7. Write as a single power 3⁶ × 3³

   • 3¹⁰
   • 3³
   • 3⁹
   • 3¹⁸
   Check

8. 8. Write as a single power 14³ × 14⁴

   • 14¹²
   • 14⁸
   • 14¹
   • 14⁷
   Check

9. 9. Is 2⁰ + 2¹ + 2² + 2³ = 2⁴ – 1 correct?

   • Yes
   • No
   Check

10. 10. Which is equal to 2⁰ + 2¹ + 2² + 2³ + 2⁴ + 2⁵?

    • 2⁶ + 1
    • 2⁶ – 1
    • 2⁷ – 1
    • 2⁵ – 1
    Check

11. 11. Read what Zara says. Is she correct?

    • Yes
    • No
    Check

12. 12. Write as a single power (5³)²

    • 5⁹
    • 5⁵
    • 25⁶
    • 5⁶
    Check

13. 13. Write as a single power (15³)²

    • 30⁶
    • 15⁶
    • 15⁹
    • 15⁵
    Check

14. 14. Write as a single power (7³)³

    • 7²⁷
    • 21⁹
    • 7⁹
    • 7⁶
    Check

15. 15. Write as a single power (3⁴)⁵

    • 3⁹
    • 3¹⁰²⁴
    • 3²⁰
    • 9²⁰
    Check

16. 16. Write 4 as a power of 2.

    • 2²
    • 4²
    • 2⁴
    • 2¹
    Check

17. 17. Write 4³ as a power of 2.

    • 2⁶
    • 2³
    • 2⁵
    • 2⁹
    Check

18. 18. Write 9³ as a power of 3.

    • 3⁶
    • 3³
    • 3⁵
    • 3⁹
    Check

19. 19. 5⁴ = 625. Write as a power of 5 625²

    • 5⁴
    • 5⁸
    • 5²
    • 5¹²
    Check

20. 20. 5⁴ = 625. Write as a power of 5 625³

    • 5³
    • 5⁶
    • 5¹²
    • 5¹⁶
    Check