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Is the number 10+9-10 + -9 rational or irrational?\newlineChoices:\newline(A) rational\newline(B) irrational

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Q. Is the number 10+9-10 + -9 rational or irrational?\newlineChoices:\newline(A) rational\newline(B) irrational
  1. Evaluate expression: Evaluate 10+9-10 + -9.\newlineAdd 10-10 and 9-9 together.\newline10+9=19-10 + -9 = -19
  2. Add numbers: We found: \newline10+9=19-10 + -9 = -19\newlineIdentify whether 10+9-10 + -9 is a rational or irrational number.\newline19-19 is an integer, and all integers are rational numbers.\newline10+9-10 + -9 is a rational number.

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