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Which number is closest to 18\sqrt{18}?\newlineChoices:\newline(A) 4.74.7\newline(B) 5.45.4\newline(C) 4.24.2\newline(D) 4.84.8

Full solution

Q. Which number is closest to 18\sqrt{18}?\newlineChoices:\newline(A) 4.74.7\newline(B) 5.45.4\newline(C) 4.24.2\newline(D) 4.84.8
  1. Calculate square root: Calculate the square root of 1818 to find which choice is closest.\newline184.2426\sqrt{18} \approx 4.2426
  2. Compare with choices: Compare the calculated square root with the given choices.\newlineChoices are: (A)4.7,(B)5.4,(C)4.2,(D)4.8.(A) 4.7, (B) 5.4, (C) 4.2, (D) 4.8.\newline4.24264.2426 is closest to 4.24.2 and 4.74.7.

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