brown4351 brown4351
  • 20-09-2019
  • Mathematics
contestada

Are the rational numbers closed under multiplication?

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jbankston2022 jbankston2022
  • 20-09-2019

Answer:

Integers: This set is closed only under addition, subtraction, and multiplication. Rational Numbers: This set is closed under addition, subtraction, multiplication, and division (with the exception of division by 0). Irrational Numbers: This set is closed for none of the operations (e.g., = 2, a rational number).

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