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Is the number −10+−8-10 + -8 rational or irrational?\newlineChoices:\newline(A) rational\newline(B) irrational

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Full solution

Q. Is the number −10+−8-10 + -8 rational or irrational?\newlineChoices:\newline(A) rational\newline(B) irrational
  1. Evaluate expression: Evaluate −10+−8-10 + -8.\newlineAdd −10-10 and −8-8 together.\newline−10+−8=−18-10 + -8 = -18
  2. Add numbers: We found: \newline−10+−8=−18-10 + -8 = -18\newlineIdentify whether −10+−8-10 + -8 is a rational or irrational number.\newline−18-18 is a whole number, and all whole numbers are rational numbers.\newlineTherefore, −10+−8-10 + -8 is a rational number.

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