The given expression is
The perfect squares closest to 242 are 225 and 256
Since 242 is closer to 16,
Another method
Calculate the value by using calculator
The perfect square of 242 nearest to 16.
![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
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![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
value by using calculator![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=2e91afbd32f978f4cf2e52f425707449.png\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")