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Which number is closest to 72\sqrt{72}?\newlineChoices:\newline(A) 8.88.8\newline(B) 8.48.4\newline(C) 7.57.5\newline(D) 9.39.3

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Estimate square rootsright chevron icon

Full solution

Q. Which number is closest to 72\sqrt{72}?\newlineChoices:\newline(A) 8.88.8\newline(B) 8.48.4\newline(C) 7.57.5\newline(D) 9.39.3
  1. Identify Perfect Squares: Step 11: Identify the perfect squares near 7272 to estimate its square root.
  2. Calculate Approximate Square Root: Step 22: Calculate the approximate square root of 7272.
  3. Compare with Choices: Step 33: Compare the calculated square root with the given choices.
  4. Determine Closest Choice: Step 44: Determine which choice is numerically closest to 8.58.5.

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