Powers and roots - foundation
You scored 5 out of 5
- 1. What is 42?
- You said: 16
Well done! - 2. What is ?
- You said: 2 or -2
Well done. You remembered that 4 has two square roots. - 3. What is 83?
- You said: 512
Well done. You remembered that 83 means 8 x 8 x 8 - 4. What is ?
- You said: 4
Well done! - 5. Simplify 22 x 23
- You said: 25
Well done. You remembered to add the indices.
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