Answer:
7.57 (appr)
Explanation:
√57.42
=√57 . 42
7 * 7 = 49
so first step will be,
superscript 7 is the one in the quotient
7√57.42 ⁷
49
-
___________
14√8 42
as 145 * 5 equals 725 so the next step would be,
in the quotient we now have, 7.5
145√842⁷°⁵
- 725
___________
1410√11700
as 14107 * 7 = 9870 so our next step would be,
in the quotient now we will have, 7.57
14107√11700⁷°⁵⁷
9870
-
_______________
1830
thus, approximately positive square root of 57.42 is, 7.57