Year 8 Maths — Exponents and powers
Work out powers and use the laws of exponents to simplify them.
Name: ________________________
1.Simplify (2³)².
- a) 2¹
- b) 2⁶
- c) 2⁵
- d) 2⁹
2.What is 10⁴?
3.What is 3⁰?
4.Simplify a⁵ × a³.
- a) 2a⁸
- b) a¹⁵
- c) a⁸
- d) a²
5.What is 5²?
6.64 can be written as 2 to some power. What is that power?
7.What is 2³ (two to the power 3)?
8.Work out 2⁵ ÷ 2³ as an ordinary number.
Answer key — Year 8 Maths — Exponents and powers
- 1. b) 2⁶
- 2. 10000
- 3. 1
- 4. c) a⁸
- 5. 25
- 6. 6
- 7. 8
- 8. 4