Question

Find the value of
$\sqrt{15625}$
and use it to find the value of
$\sqrt{156.25} + \sqrt{1.5625}$

Answer 1

hope it helps you...

Answer 2

We need to find the value of √15625

By prime factorisation method we find that 15625=5*5*5*5*5*5

=> √15625 = √125² = 125

Now, √156.25 = √15625*0.1*0.1= 12.5       ................Eq.(1)

and √1.5625 =√15625 *0.1*0.1*0.1*0.1 = 1.25      ...............eq.(2)

Adding Eq.(1) and Eq.(2)

We get

√156.25 + √1.5625 = 12.5+1.25

                                = 13.75

Thanks!!!