Integers are not closed under which opeartions?
Addition
Subtraction
Multiplication
Division
(-4) ÷ 7, -4 and 7 are integers but -4 ÷ 7 is not integer. So integers are not closed under division.
Which of the following is not true? (i) Whole numbers are closed under subtraction. (ii) Integers are not closed under division. (iii) Rational numbers are closed under division.
Question 4 Which of the following is not true? (a) rational numbers are closed under addition. (b) rational numbers are closed under subtraction. (c) rational numbers are closed under multiplication. (d) rational numbers are closed under division.