Question

the square root of 31/5
correct to 2 places of
decimal is
(a) 2.43 (b) 2.47
(c) 2.49
(d) 2.46​

Answer 1

Answer:

c) 2.49

Step-by-step explanation:

$> > \sqrt{ \frac{31}{5} }$

>> 2.4899799196

>> 2.49 (rounding off to 2 decimal places)

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Answer 2

Step-by-step explanation:

Given that: 31/5

To find : Square root up to two decimal places

Solution:

Divide 31 by 5

31/5=6.2

Now take square root of 6.2

2 ) 6.2(2.489

4

---------

44 )220(

176

------------

488 )4400(

3904

---------------

4969 )49600(

44721

-------------------

4879

Thus, square root of 31/5 = 2.489

So, option C is correct.

Hope it helps you.