To estimate the 102−−−√

Question

, I would look at the perfect squares __ and __ and then choose __ as a good estimate.
Responses

101 and 103; 102
101 and 103; 102

100 and 121; 10.1
100 and 121; 10.1

81 and 100; 10.2
81 and 100; 10.2

121 and 144; 11.5
121 and 144; 11.5