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6{:[17cmquad0565=9//17],[cos 65=(17)/(6)],[.4226=(17)/(6)]:}

617 cm0565=9/17cos⁡65=176.4226=176 6 \begin{aligned} 17 \mathrm{~cm} \quad 0565=9 / 17 \\ \cos 65=\frac{17}{6} \\ .4226=\frac{17}{6}\end{aligned}

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Checkpoint: Rational and irrational numbersright chevron icon

Full solution

Q. 617 cm0565=9/17cos⁡65=176.4226=176 6 \begin{aligned} 17 \mathrm{~cm} \quad 0565=9 / 17 \\ \cos 65=\frac{17}{6} \\ .4226=\frac{17}{6}\end{aligned}
  1. Identify Number Type: Identify the type of number 66 is.66 is a whole number, which can be expressed without any decimal or fractional component.
  2. Determine Ratio Possibility: Determine if 66 can be expressed as a ratio of two integers.\newline66 can be written as 61\frac{6}{1}, where both 66 and 11 are integers.
  3. Check Decimal Form: Check if 66 is a terminating or repeating decimal.\newlineSince 66 is a whole number, its decimal representation is 6.06.0, which is terminating.

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