Question

estimate the square root of 242 and round to the nearest integer

Answer 1

To the nearest integer, √242 = 16.

Here is how you can see that this is true:

152 = 225; 15.52 = 240.25; 162 = 256.

Seeing that 242 falls between 240.25 and 256, we can see that √242 falls between 15.5 and 16. Therefore, to the nearest integer, it is 16.