Question

82.81 find the square root of decimal no

Answer 1

7|8281
7|1183
13|169
13 |13
|1 So 8281 can be expressed as 7×7×13×13 hence the square root of 82.81=> 9.1 .

Answer 2

√82.81=9.1

as 9.1x9.1=82.81

Hope it helps

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