5 and 6
4 and 5 because the square root of 18 is about 4.242640687
53 and 55.
9 and 10 9 x9 =81 10 x 10 = 100
26 falls between 25 and 27.
5 and 6
They are; 8 and 9 but the square root of 68 is about 8.246211251
4 and 5 because the square root of 18 is about 4.242640687
The square root of 103 is roughly 10.14889157, so it is between root 100 (10) and root 121 (11).
17 and 19
53 and 55.
9 and 10 9 x9 =81 10 x 10 = 100
58 falls between 57 and 59.
26 falls between 25 and 27.
18 falls between 17 and 19.
The square root is between 5 and 6.
The square root of 73 is between 8 and 9.