Using a number line, what whole number and rational number to the nearest half is 97−−√ between?(1 point) 97−−√ is between

1 answer

To determine the whole number and rational number to the nearest half that \(\sqrt{97}\) is between, we first need to estimate its value.

Calculating \( \sqrt{97} \):

  1. Find perfect squares near 97:
    • \(9^2 = 81\)
    • \(10^2 = 100\)

So, we know that: \[ 9 < \sqrt{97} < 10 \]

  1. Estimate \(\sqrt{97}\):
    • To get a more precise estimate, calculate \((9.8)^2\) and \((9.9)^2\):
      • \(9.8^2 = 96.04\)
      • \(9.9^2 = 98.01\)

This implies: \[ 9.8 < \sqrt{97} < 9.9 \]

  1. Finding the nearest half:

    • The nearest halves around this interval are \(9.5\) and \(10\).
    • Since \(9.8\) is closer to \(9.5\) than \(10\), we will choose \(9.5\).
  2. Identify whole numbers and rational numbers:

    • The whole numbers directly below and above \( \sqrt{97} \) are \(9\) and \(10\).
    • The rational number to the nearest half is \(9.5\).

Therefore, \(\sqrt{97}\) is between:

  • Whole number: 9 and 10
  • Rational number to the nearest half: 9.5
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