Answer:
b
Explanation:
Consider perfect squares on either side of 42, that is
36 < 42 < 49 , thus
< < , that is
6 < < 7 → b
Answer: between 6 and 7
Since 6² is 36 and 7² is 49, the square root of 42
would fall somewhere in between these.
Look below.
5.2m questions
6.8m answers