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Answer (3)
\sqrt{18}"> 4 < 18 < 5 b ec a u se : 4 = 4 2 = 16 < 18 5 = 5 2 = 25 > 18
The square root of 18 lies between the integers 4 and 5 because 4 squared is 16 and 5 squared is 25, which frames 18. This means that 4 < 18 < 5 . A closer estimation shows 18 ≈ 4.24 .
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