Q. Is the number −7+−8 rational or irrational?Choices:(A) rational(B) irrational
Evaluate −7+−8: Evaluate −7+−8.Add −7 and −8 together.−7+−8=−15
Add −7 and −8: We found: −7+−8=−15Identify whether −7+−8 is a rational or irrational number.−15 is a whole number, and all whole numbers are rational numbers.Therefore, −7+−8 is a rational number.
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