Answer:
2nd number line represents √7 best
Step-by-step explanation:
Method 1
√7 ≈ 2.65
Therefore, the 2nd number line represents √7 best
(the one with the dot between 2 and 3)
Method 2
√1 = 1
√4 = 2
√9 = 3
Therefore, as √7 is between √4 and √9, the solution is somewhere between 2 and 3.
