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Question
Find the square root of the following number.
784
Sum
Solution
| 2 | 784 |
| 2 | 392 |
| 2 | 196 |
| 2 | 98 |
| 7 | 49 |
| 7 | 7 |
| 1 |
`sqrt784 = sqrt(2 xx 2 xx 2 xx 2 xx 7 xx 7)`
= 2 × 2 × 7
= 28
∴ The square root of 784 is 28.
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Finding the Square Root of a Perfect Square
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