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90.790170 is it irrational

To decide if the quantity 90.790170 is irrational, we want to apprehend the fundamental definitions of rational and irrational numbers.

Definitions

Rational Number: A wide variety is considered rational if it may be expressed as a fragment pqfracpqqp​, wherein ppp and qqq are integers, and q≠0q neq 0q=0. Essentially, rational numbers may be written as a ratio of two integers.

Irrational Number: A number is irrational if it can’t be expressed as a simple fraction. This approach its decimal shape is non-terminating and non-repeating. Examples include 2sqrt22​ and Ï€piÏ€.

Analysis of ninety.790170

  1. Decimal Form: The range ninety.790170 is a decimal number that terminates after six decimal locations. This means it has a finite variety of digits after the decimal point.
  2. Expressibility as a Fraction: Since ninety.790170 is a terminating decimal, it could be transformed into a fragment. Any terminating decimal may be expressed as a fraction with an integer numerator and a denominator that may be a electricity of 10.
  3. To convert 90.790170 into a fraction, comply with those steps:
  • Write the decimal wide variety as 907901701000000frac90790170one million100000090790170​.
  • Simplify the fraction if viable. In this situation, 90790170 and a million have a finest not unusual divisor (GCD) that simplifies the fraction.
  1. Fraction Representation: The fraction 907901701000000frac90790170one million100000090790170​ is a valid illustration of the wide variety ninety.790170, in which each the numerator and denominator are integers. Therefore, ninety.790170 can indeed be expressed as a fraction of two integers.

Conclusion

Since ninety.790170 is a terminating decimal and can be expressed as a fraction, it is a rational number. To be irrational, a range of should be non-terminating and non-repeating, which isn’t always the case here.

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