Multiply powers with the same base
8th grade (Year 9 in England) · 16 questions · Common Core: 8.EE.A.1 · England: KS3 Number, GCSE Foundation Number
Name
Date
Score/ 16
Question 1
8⁷ × 8⁸ = 8ⁿ. What is n?
Answer
Question 2
Simplify 3a³ × 4a².
- A. 12a⁵
- B. 7a⁶
- C. 7a⁵
- D. 12a⁶
Question 3
Elena says 2⁵ × 2⁴ = 4⁹. Work out the correct value of 2⁵ × 2⁴ as a number.
Answer
Question 4
8⁹ × 8⁶ = 8ⁿ. What is n?
Answer
Question 5
Simplify 6a⁶ × 2a⁶.
- A. 12a¹²
- B. 12a³⁶
- C. 8a¹²
- D. 8a³⁶
Question 6
Jamal says 2² × 2³ = 4⁵. Work out the correct value of 2² × 2³ as a number.
Answer
Question 7
8³ × 8⁵ = 8ⁿ. What is n?
Answer
Question 8
Simplify 3a⁷ × 2a⁶.
- A. 5a¹³
- B. 5a⁴²
- C. 6a⁴²
- D. 6a¹³
Question 9
Ines says 2⁴ × 2³ = 4⁷. Work out the correct value of 2⁴ × 2³ as a number.
Answer
Question 10
3⁶ × 3⁷ = 3ⁿ. What is n?
Answer
Question 11
Simplify 3x² × 5x⁷.
- A. 15x¹⁴
- B. 15x⁹
- C. 8x⁹
- D. 8x¹⁴
Question 12
Diego says 2⁴ × 2⁴ = 4⁸. Work out the correct value of 2⁴ × 2⁴ as a number.
Answer
Question 13
4⁹ × 4⁴ = 4ⁿ. What is n?
Answer
Question 14
Simplify 3a⁴ × 3a³.
- A. 6a¹²
- B. 6a⁷
- C. 9a¹²
- D. 9a⁷
Question 15
Zara says 2³ × 2⁵ = 4⁸. Work out the correct value of 2³ × 2⁵ as a number.
Answer
Question 16
3⁹ × 3⁶ = 3ⁿ. What is n?
Answer
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