Question

using long division method 7.84​

Answer 1

Answer:

Rational and 3 irritional numbers between2

Answer 2

As , square root of 784 = 28

So , √784 = 28 ... ( i )

dividing both sides of (i) by √100 , we get -

$\frac{ \sqrt{784} }{ \sqrt{100} } = \frac{28}{ \sqrt{100} } \\ ( \frac{ \sqrt{784} }{100} = \frac{28}{ \sqrt{ {10}^{2} } } \\ \sqrt{7.84} = \frac{28}{10} \\ = 2.8$

So , √ 7.84 = 2.8