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Math, Square Roots
Square roots, perfect cubes and perfect squares, exponents
| Question | Answer |
|---|---|
| Is this a perfect square? 81 | Yes |
| is this a perfect cube? 55 | No |
| Which of these are rational numbers? 12, 0.828822888222..., -78, the square root of 78 | 12, -78 (78 isn't a perfect square) |
| is this a rational number? 0.74382975748... | No. It doesn't terminate nor repeat. |
| which of these is a perfect square? 68, 36, 99 | 36 |