Estimate the value of the following square root to the nearest whole number: 440

Estimate the value of the following square root to the nearest whole number:

`sqrt(440)`

Sum

`sqrt(440)`

we have 20² = 400

21² = 441

∴ `sqrt(440)` ≃ 21

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Chapter 1: Numbers - Exercise 1.4 [Page 35]

Chapter 1 Numbers
Exercise 1.4 | Q 7. (i) | Page 35

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