Q. Is the number −7+−9 rational or irrational?Choices:(A) rational(B) irrational
Evaluate −7+−9: Evaluate −7+−9.Add −7 and −9 together.−7+−9=−16
Add −7 and −9: We found: −7+−9=−16Identify whether −7+−9 is a rational or irrational number.−16 is a whole number, and all whole numbers are rational numbers.Therefore, −7+−9 is a rational number.
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