Powers, Roots and Surds Quiz
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5 questions, one answer each
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1. Simplify 2³ × 2⁵
- A. 2⁸
- B. 2¹⁵
- C. 4⁸
- D. 2²
2. Which of the following is closest to ∛50?
- A. 2.9
- B. 3.7
- C. 4.5
- D. 6.2
3. Express 4⁻² as a fraction.
- A. -16
- B. 1/16
- C. -1/16
- D. 16
4. Simplify √72 fully.
- A. 6√2
- B. 8√9
- C. 36√2
- D. √36 × √2
5. Rationalise the denominator of 5/(2√3)
- A. 5√3/6
- B. 5/(2√3)
- C. 5√3/2
- D. 10√3/3