√7 = 2.65 (approximately), then the approximate value of √28 is
√7 = 2.65 (approximately), then the approximate value of\(\sqrt{28}\) is
A) 2.65
B) 5.3
C) 7.95
D) 10.6
5 views
2 Answers
Correct option is (B) 5.3
\(\sqrt{7}\) = 2.65
\(\therefore\) \(\sqrt{28}=\sqrt{4\times7}=2\sqrt7\) \(=2\times2.65=5.3\)
5 views
Answered