The square root of 4 calculated to 10 decimal places.
| Number | Square Root | Perfect Square? |
|---|---|---|
| 1 | 1 | Yes |
| 2 | 1.4142135624 | No |
| 3 | 1.7320508076 | No |
| 4 | 2 | Yes |
| 5 | 2.2360679775 | No |
| 6 | 2.4494897428 | No |
| 7 | 2.6457513111 | No |
| 8 | 2.8284271247 | No |
| 9 | 3 | Yes |
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