Question

find the square root of 9. 81 correct to 2 decimal places . write full explanation ​

Answer 1

Answer:

The square root of 9.81 is 3.1320919526732. Or,

√9.81 = 3.1320919526732

Step-by-step explanation:

Nikuuu~

Answer 2

Step-by-step explanation:

The square root of a number is that number which, when multiplied by itself will give the original number:

√

y

=

√

?

×

?

=

?

√

25

=

√

5

×

5

=

5

√

x

2

=

√

x

×

x

=

x

√

x

6

y

8

=

x

3

y

4

To find any root of a number, write the radicand as the product of its prime factors:

√

81

=

√

3

×

3

×

3

×

3

You can now understand this in different ways:

√

81

=

√

(

3

×

3

)

×

(

3

×

3

)

=

3

×

3

=

9

√

81

=

√

(

3

×

3

)

×

(

3

×

3

)

=

√

9

×

9

=

9

√

81

=

√

3

4

=

3

4

÷

2

=

3

2

=

9

Note:

√

radicand

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