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

Using square root table, find the square root
7

Using square root table, find the square root
15

Using square root table, find the square root
74

Using square root table, find the square root
82

Using square root table, find the square root
4955

Using square root table, find the square root \[\frac{99}{144}\]

Using square root table, find the square root

Using square root table, find the square root
110

Using square root table, find the square root
1110

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

`sqrt(800)`